Home / 10,132.57-15,187.92-4,293.28

Finding the Fourth Proportional to 10,132.57, 15,187.92 and 4,293.28

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Solution

The fourth proportional to 10,132.57, 15,187.92 and 4,293.28 is: 6,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.57 : 15,187.92 = 4,293.28 : x
  2. Step 2: Convert to fraction form
    10,132.57/15,187.92 = 4,293.28/x
  3. Step 3: Cross multiply
    10,132.57x = 15,187.92 × 4,293.28
  4. Step 4: Simplify right side
    10,132.57x = 65,205,993.18
  5. Step 5: Solve for x
    x = 65,205,993.18/10,132.57
  6. Step 6: Final answer
    x = 6,435.29

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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.