Home / 10,476.74-15,692.54-4,921.76

Finding the Fourth Proportional to 10,476.74, 15,692.54 and 4,921.76

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Solution

The fourth proportional to 10,476.74, 15,692.54 and 4,921.76 is: 7,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.74 : 15,692.54 = 4,921.76 : x
  2. Step 2: Convert to fraction form
    10,476.74/15,692.54 = 4,921.76/x
  3. Step 3: Cross multiply
    10,476.74x = 15,692.54 × 4,921.76
  4. Step 4: Simplify right side
    10,476.74x = 77,234,930.29
  5. Step 5: Solve for x
    x = 77,234,930.29/10,476.74
  6. Step 6: Final answer
    x = 7,372.04

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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.