Home / 10,581.06-15,871.91-4,654.87

Finding the Fourth Proportional to 10,581.06, 15,871.91 and 4,654.87

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Solution

The fourth proportional to 10,581.06, 15,871.91 and 4,654.87 is: 6,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.06 : 15,871.91 = 4,654.87 : x
  2. Step 2: Convert to fraction form
    10,581.06/15,871.91 = 4,654.87/x
  3. Step 3: Cross multiply
    10,581.06x = 15,871.91 × 4,654.87
  4. Step 4: Simplify right side
    10,581.06x = 73,881,677.70
  5. Step 5: Solve for x
    x = 73,881,677.70/10,581.06
  6. Step 6: Final answer
    x = 6,982.45

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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.