Home / 10,463.12-14,439-5,747.28

Finding the Fourth Proportional to 10,463.12, 14,439 and 5,747.28

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Solution

The fourth proportional to 10,463.12, 14,439 and 5,747.28 is: 7,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.12 : 14,439 = 5,747.28 : x
  2. Step 2: Convert to fraction form
    10,463.12/14,439 = 5,747.28/x
  3. Step 3: Cross multiply
    10,463.12x = 14,439 × 5,747.28
  4. Step 4: Simplify right side
    10,463.12x = 82,984,975.92
  5. Step 5: Solve for x
    x = 82,984,975.92/10,463.12
  6. Step 6: Final answer
    x = 7,931.19

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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.