Home / 10,916.52-15,065.15-6,137.29

Finding the Fourth Proportional to 10,916.52, 15,065.15 and 6,137.29

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Solution

The fourth proportional to 10,916.52, 15,065.15 and 6,137.29 is: 8,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.52 : 15,065.15 = 6,137.29 : x
  2. Step 2: Convert to fraction form
    10,916.52/15,065.15 = 6,137.29/x
  3. Step 3: Cross multiply
    10,916.52x = 15,065.15 × 6,137.29
  4. Step 4: Simplify right side
    10,916.52x = 92,459,194.44
  5. Step 5: Solve for x
    x = 92,459,194.44/10,916.52
  6. Step 6: Final answer
    x = 8,469.66

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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.