Home / 10,363.31-15,542.69-4,122.16

Finding the Fourth Proportional to 10,363.31, 15,542.69 and 4,122.16

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Solution

The fourth proportional to 10,363.31, 15,542.69 and 4,122.16 is: 6,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.31 : 15,542.69 = 4,122.16 : x
  2. Step 2: Convert to fraction form
    10,363.31/15,542.69 = 4,122.16/x
  3. Step 3: Cross multiply
    10,363.31x = 15,542.69 × 4,122.16
  4. Step 4: Simplify right side
    10,363.31x = 64,069,395.54
  5. Step 5: Solve for x
    x = 64,069,395.54/10,363.31
  6. Step 6: Final answer
    x = 6,182.33

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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.