Home / 11,565.37-15,963.20-7,542.22

Finding the Fourth Proportional to 11,565.37, 15,963.20 and 7,542.22

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Solution

The fourth proportional to 11,565.37, 15,963.20 and 7,542.22 is: 10,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.37 : 15,963.20 = 7,542.22 : x
  2. Step 2: Convert to fraction form
    11,565.37/15,963.20 = 7,542.22/x
  3. Step 3: Cross multiply
    11,565.37x = 15,963.20 × 7,542.22
  4. Step 4: Simplify right side
    11,565.37x = 120,397,966.30
  5. Step 5: Solve for x
    x = 120,397,966.30/11,565.37
  6. Step 6: Final answer
    x = 10,410.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.