Home / 10,591.35-15,877.30-4,744.77

Finding the Fourth Proportional to 10,591.35, 15,877.30 and 4,744.77

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Solution

The fourth proportional to 10,591.35, 15,877.30 and 4,744.77 is: 7,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.35 : 15,877.30 = 4,744.77 : x
  2. Step 2: Convert to fraction form
    10,591.35/15,877.30 = 4,744.77/x
  3. Step 3: Cross multiply
    10,591.35x = 15,877.30 × 4,744.77
  4. Step 4: Simplify right side
    10,591.35x = 75,334,136.72
  5. Step 5: Solve for x
    x = 75,334,136.72/10,591.35
  6. Step 6: Final answer
    x = 7,112.80

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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.