Home / 10,578.97-15,868.55-5,032.86

Finding the Fourth Proportional to 10,578.97, 15,868.55 and 5,032.86

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Solution

The fourth proportional to 10,578.97, 15,868.55 and 5,032.86 is: 7,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.97 : 15,868.55 = 5,032.86 : x
  2. Step 2: Convert to fraction form
    10,578.97/15,868.55 = 5,032.86/x
  3. Step 3: Cross multiply
    10,578.97x = 15,868.55 × 5,032.86
  4. Step 4: Simplify right side
    10,578.97x = 79,864,190.55
  5. Step 5: Solve for x
    x = 79,864,190.55/10,578.97
  6. Step 6: Final answer
    x = 7,549.34

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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.