Home / 10,527.28-14,451.32-10,428.88

Finding the Fourth Proportional to 10,527.28, 14,451.32 and 10,428.88

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Solution

The fourth proportional to 10,527.28, 14,451.32 and 10,428.88 is: 14,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.28 : 14,451.32 = 10,428.88 : x
  2. Step 2: Convert to fraction form
    10,527.28/14,451.32 = 10,428.88/x
  3. Step 3: Cross multiply
    10,527.28x = 14,451.32 × 10,428.88
  4. Step 4: Simplify right side
    10,527.28x = 150,711,082.12
  5. Step 5: Solve for x
    x = 150,711,082.12/10,527.28
  6. Step 6: Final answer
    x = 14,316.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.