Home / 10,372.84-15,559.25-2,581.66

Finding the Fourth Proportional to 10,372.84, 15,559.25 and 2,581.66

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Solution

The fourth proportional to 10,372.84, 15,559.25 and 2,581.66 is: 3,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.84 : 15,559.25 = 2,581.66 : x
  2. Step 2: Convert to fraction form
    10,372.84/15,559.25 = 2,581.66/x
  3. Step 3: Cross multiply
    10,372.84x = 15,559.25 × 2,581.66
  4. Step 4: Simplify right side
    10,372.84x = 40,168,612.38
  5. Step 5: Solve for x
    x = 40,168,612.38/10,372.84
  6. Step 6: Final answer
    x = 3,872.48

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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.