Home / 9,722.94-13,419.18-6,187.32

Finding the Fourth Proportional to 9,722.94, 13,419.18 and 6,187.32

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Solution

The fourth proportional to 9,722.94, 13,419.18 and 6,187.32 is: 8,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.94 : 13,419.18 = 6,187.32 : x
  2. Step 2: Convert to fraction form
    9,722.94/13,419.18 = 6,187.32/x
  3. Step 3: Cross multiply
    9,722.94x = 13,419.18 × 6,187.32
  4. Step 4: Simplify right side
    9,722.94x = 83,028,760.80
  5. Step 5: Solve for x
    x = 83,028,760.80/9,722.94
  6. Step 6: Final answer
    x = 8,539.47

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Double scale
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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.