Home / 10,916.91-16,377.18-4,343.16

Finding the Fourth Proportional to 10,916.91, 16,377.18 and 4,343.16

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Solution

The fourth proportional to 10,916.91, 16,377.18 and 4,343.16 is: 6,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.91 : 16,377.18 = 4,343.16 : x
  2. Step 2: Convert to fraction form
    10,916.91/16,377.18 = 4,343.16/x
  3. Step 3: Cross multiply
    10,916.91x = 16,377.18 × 4,343.16
  4. Step 4: Simplify right side
    10,916.91x = 71,128,713.09
  5. Step 5: Solve for x
    x = 71,128,713.09/10,916.91
  6. Step 6: Final answer
    x = 6,515.46

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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.