Home / 9,478.03-13,079.73-5,229.25

Finding the Fourth Proportional to 9,478.03, 13,079.73 and 5,229.25

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Solution

The fourth proportional to 9,478.03, 13,079.73 and 5,229.25 is: 7,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.03 : 13,079.73 = 5,229.25 : x
  2. Step 2: Convert to fraction form
    9,478.03/13,079.73 = 5,229.25/x
  3. Step 3: Cross multiply
    9,478.03x = 13,079.73 × 5,229.25
  4. Step 4: Simplify right side
    9,478.03x = 68,397,178.10
  5. Step 5: Solve for x
    x = 68,397,178.10/9,478.03
  6. Step 6: Final answer
    x = 7,216.39

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Find fourth proportional to 4,739.02, 6,539.87 and 2,614.63
Half scale
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Double scale
Find fourth proportional to 9,479.03, 13,081.11 and 5,230.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.