Home / 9,432.28-13,016.18-5,240.80

Finding the Fourth Proportional to 9,432.28, 13,016.18 and 5,240.80

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Solution

The fourth proportional to 9,432.28, 13,016.18 and 5,240.80 is: 7,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.28 : 13,016.18 = 5,240.80 : x
  2. Step 2: Convert to fraction form
    9,432.28/13,016.18 = 5,240.80/x
  3. Step 3: Cross multiply
    9,432.28x = 13,016.18 × 5,240.80
  4. Step 4: Simplify right side
    9,432.28x = 68,215,196.14
  5. Step 5: Solve for x
    x = 68,215,196.14/9,432.28
  6. Step 6: Final answer
    x = 7,232.10

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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.