Home / 10,562.25-15,843.60-3,991.53

Finding the Fourth Proportional to 10,562.25, 15,843.60 and 3,991.53

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Solution

The fourth proportional to 10,562.25, 15,843.60 and 3,991.53 is: 5,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.25 : 15,843.60 = 3,991.53 : x
  2. Step 2: Convert to fraction form
    10,562.25/15,843.60 = 3,991.53/x
  3. Step 3: Cross multiply
    10,562.25x = 15,843.60 × 3,991.53
  4. Step 4: Simplify right side
    10,562.25x = 63,240,204.71
  5. Step 5: Solve for x
    x = 63,240,204.71/10,562.25
  6. Step 6: Final answer
    x = 5,987.38

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1.5x scale

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.