Home / 10,011.52-15,013.50-4,459.42

Finding the Fourth Proportional to 10,011.52, 15,013.50 and 4,459.42

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Solution

The fourth proportional to 10,011.52, 15,013.50 and 4,459.42 is: 6,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.52 : 15,013.50 = 4,459.42 : x
  2. Step 2: Convert to fraction form
    10,011.52/15,013.50 = 4,459.42/x
  3. Step 3: Cross multiply
    10,011.52x = 15,013.50 × 4,459.42
  4. Step 4: Simplify right side
    10,011.52x = 66,951,502.17
  5. Step 5: Solve for x
    x = 66,951,502.17/10,011.52
  6. Step 6: Final answer
    x = 6,687.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.