Home / 10,591.11-15,887.88-2,800.53

Finding the Fourth Proportional to 10,591.11, 15,887.88 and 2,800.53

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Solution

The fourth proportional to 10,591.11, 15,887.88 and 2,800.53 is: 4,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.11 : 15,887.88 = 2,800.53 : x
  2. Step 2: Convert to fraction form
    10,591.11/15,887.88 = 2,800.53/x
  3. Step 3: Cross multiply
    10,591.11x = 15,887.88 × 2,800.53
  4. Step 4: Simplify right side
    10,591.11x = 44,494,484.58
  5. Step 5: Solve for x
    x = 44,494,484.58/10,591.11
  6. Step 6: Final answer
    x = 4,201.12

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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.