Home / 10,377.14-15,559.43-4,138.11

Finding the Fourth Proportional to 10,377.14, 15,559.43 and 4,138.11

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Solution

The fourth proportional to 10,377.14, 15,559.43 and 4,138.11 is: 6,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.14 : 15,559.43 = 4,138.11 : x
  2. Step 2: Convert to fraction form
    10,377.14/15,559.43 = 4,138.11/x
  3. Step 3: Cross multiply
    10,377.14x = 15,559.43 × 4,138.11
  4. Step 4: Simplify right side
    10,377.14x = 64,386,612.19
  5. Step 5: Solve for x
    x = 64,386,612.19/10,377.14
  6. Step 6: Final answer
    x = 6,204.66

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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.