Home / 10,687.87-16,036.42-5,756.52

Finding the Fourth Proportional to 10,687.87, 16,036.42 and 5,756.52

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Solution

The fourth proportional to 10,687.87, 16,036.42 and 5,756.52 is: 8,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.87 : 16,036.42 = 5,756.52 : x
  2. Step 2: Convert to fraction form
    10,687.87/16,036.42 = 5,756.52/x
  3. Step 3: Cross multiply
    10,687.87x = 16,036.42 × 5,756.52
  4. Step 4: Simplify right side
    10,687.87x = 92,313,943.68
  5. Step 5: Solve for x
    x = 92,313,943.68/10,687.87
  6. Step 6: Final answer
    x = 8,637.26

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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.