Home / 10,606.50-15,909.72-4,761.54

Finding the Fourth Proportional to 10,606.50, 15,909.72 and 4,761.54

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Solution

The fourth proportional to 10,606.50, 15,909.72 and 4,761.54 is: 7,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.50 : 15,909.72 = 4,761.54 : x
  2. Step 2: Convert to fraction form
    10,606.50/15,909.72 = 4,761.54/x
  3. Step 3: Cross multiply
    10,606.50x = 15,909.72 × 4,761.54
  4. Step 4: Simplify right side
    10,606.50x = 75,754,768.17
  5. Step 5: Solve for x
    x = 75,754,768.17/10,606.50
  6. Step 6: Final answer
    x = 7,142.30

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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.