Home / 10,137.13-15,195.43-4,864.39

Finding the Fourth Proportional to 10,137.13, 15,195.43 and 4,864.39

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Solution

The fourth proportional to 10,137.13, 15,195.43 and 4,864.39 is: 7,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.13 : 15,195.43 = 4,864.39 : x
  2. Step 2: Convert to fraction form
    10,137.13/15,195.43 = 4,864.39/x
  3. Step 3: Cross multiply
    10,137.13x = 15,195.43 × 4,864.39
  4. Step 4: Simplify right side
    10,137.13x = 73,916,497.74
  5. Step 5: Solve for x
    x = 73,916,497.74/10,137.13
  6. Step 6: Final answer
    x = 7,291.66

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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.