Home / 10,314.39-15,463.19-5,117.43

Finding the Fourth Proportional to 10,314.39, 15,463.19 and 5,117.43

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Solution

The fourth proportional to 10,314.39, 15,463.19 and 5,117.43 is: 7,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.39 : 15,463.19 = 5,117.43 : x
  2. Step 2: Convert to fraction form
    10,314.39/15,463.19 = 5,117.43/x
  3. Step 3: Cross multiply
    10,314.39x = 15,463.19 × 5,117.43
  4. Step 4: Simplify right side
    10,314.39x = 79,131,766.81
  5. Step 5: Solve for x
    x = 79,131,766.81/10,314.39
  6. Step 6: Final answer
    x = 7,671.98

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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.