Home / 9,539.96-13,165.38-5,348.12

Finding the Fourth Proportional to 9,539.96, 13,165.38 and 5,348.12

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Solution

The fourth proportional to 9,539.96, 13,165.38 and 5,348.12 is: 7,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.96 : 13,165.38 = 5,348.12 : x
  2. Step 2: Convert to fraction form
    9,539.96/13,165.38 = 5,348.12/x
  3. Step 3: Cross multiply
    9,539.96x = 13,165.38 × 5,348.12
  4. Step 4: Simplify right side
    9,539.96x = 70,410,032.09
  5. Step 5: Solve for x
    x = 70,410,032.09/9,539.96
  6. Step 6: Final answer
    x = 7,380.54

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Half scale
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Double scale
Find fourth proportional to 9,540.96, 13,166.76 and 5,349.12
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.