Home / 10,591.14-15,887.70-3,570.86

Finding the Fourth Proportional to 10,591.14, 15,887.70 and 3,570.86

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Solution

The fourth proportional to 10,591.14, 15,887.70 and 3,570.86 is: 5,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.14 : 15,887.70 = 3,570.86 : x
  2. Step 2: Convert to fraction form
    10,591.14/15,887.70 = 3,570.86/x
  3. Step 3: Cross multiply
    10,591.14x = 15,887.70 × 3,570.86
  4. Step 4: Simplify right side
    10,591.14x = 56,732,752.42
  5. Step 5: Solve for x
    x = 56,732,752.42/10,591.14
  6. Step 6: Final answer
    x = 5,356.62

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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.