Home / 10,612.76-15,916.66-3,952.39

Finding the Fourth Proportional to 10,612.76, 15,916.66 and 3,952.39

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Solution

The fourth proportional to 10,612.76, 15,916.66 and 3,952.39 is: 5,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.76 : 15,916.66 = 3,952.39 : x
  2. Step 2: Convert to fraction form
    10,612.76/15,916.66 = 3,952.39/x
  3. Step 3: Cross multiply
    10,612.76x = 15,916.66 × 3,952.39
  4. Step 4: Simplify right side
    10,612.76x = 62,908,847.82
  5. Step 5: Solve for x
    x = 62,908,847.82/10,612.76
  6. Step 6: Final answer
    x = 5,927.66

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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.