Home / 10,580.28-15,872.24-4,343.68

Finding the Fourth Proportional to 10,580.28, 15,872.24 and 4,343.68

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Solution

The fourth proportional to 10,580.28, 15,872.24 and 4,343.68 is: 6,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.28 : 15,872.24 = 4,343.68 : x
  2. Step 2: Convert to fraction form
    10,580.28/15,872.24 = 4,343.68/x
  3. Step 3: Cross multiply
    10,580.28x = 15,872.24 × 4,343.68
  4. Step 4: Simplify right side
    10,580.28x = 68,943,931.44
  5. Step 5: Solve for x
    x = 68,943,931.44/10,580.28
  6. Step 6: Final answer
    x = 6,516.27

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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.