Home / 10,939.28-15,095.88-6,224.24

Finding the Fourth Proportional to 10,939.28, 15,095.88 and 6,224.24

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Solution

The fourth proportional to 10,939.28, 15,095.88 and 6,224.24 is: 8,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.28 : 15,095.88 = 6,224.24 : x
  2. Step 2: Convert to fraction form
    10,939.28/15,095.88 = 6,224.24/x
  3. Step 3: Cross multiply
    10,939.28x = 15,095.88 × 6,224.24
  4. Step 4: Simplify right side
    10,939.28x = 93,960,380.13
  5. Step 5: Solve for x
    x = 93,960,380.13/10,939.28
  6. Step 6: Final answer
    x = 8,589.27

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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.