Home / 10,432.38-14,396.76-5,716.74

Finding the Fourth Proportional to 10,432.38, 14,396.76 and 5,716.74

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Solution

The fourth proportional to 10,432.38, 14,396.76 and 5,716.74 is: 7,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.38 : 14,396.76 = 5,716.74 : x
  2. Step 2: Convert to fraction form
    10,432.38/14,396.76 = 5,716.74/x
  3. Step 3: Cross multiply
    10,432.38x = 14,396.76 × 5,716.74
  4. Step 4: Simplify right side
    10,432.38x = 82,302,533.76
  5. Step 5: Solve for x
    x = 82,302,533.76/10,432.38
  6. Step 6: Final answer
    x = 7,889.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.