Home / 10,587.93-15,883.52-3,191.43

Finding the Fourth Proportional to 10,587.93, 15,883.52 and 3,191.43

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Solution

The fourth proportional to 10,587.93, 15,883.52 and 3,191.43 is: 4,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.93 : 15,883.52 = 3,191.43 : x
  2. Step 2: Convert to fraction form
    10,587.93/15,883.52 = 3,191.43/x
  3. Step 3: Cross multiply
    10,587.93x = 15,883.52 × 3,191.43
  4. Step 4: Simplify right side
    10,587.93x = 50,691,126.28
  5. Step 5: Solve for x
    x = 50,691,126.28/10,587.93
  6. Step 6: Final answer
    x = 4,787.63

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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.