Home / 10,277.30-15,391.10-5,881.43

Finding the Fourth Proportional to 10,277.30, 15,391.10 and 5,881.43

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Solution

The fourth proportional to 10,277.30, 15,391.10 and 5,881.43 is: 8,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.30 : 15,391.10 = 5,881.43 : x
  2. Step 2: Convert to fraction form
    10,277.30/15,391.10 = 5,881.43/x
  3. Step 3: Cross multiply
    10,277.30x = 15,391.10 × 5,881.43
  4. Step 4: Simplify right side
    10,277.30x = 90,521,570.91
  5. Step 5: Solve for x
    x = 90,521,570.91/10,277.30
  6. Step 6: Final answer
    x = 8,807.92

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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.