Home / 8,868.27-12,238.25-5,331.54

Finding the Fourth Proportional to 8,868.27, 12,238.25 and 5,331.54

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Solution

The fourth proportional to 8,868.27, 12,238.25 and 5,331.54 is: 7,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.27 : 12,238.25 = 5,331.54 : x
  2. Step 2: Convert to fraction form
    8,868.27/12,238.25 = 5,331.54/x
  3. Step 3: Cross multiply
    8,868.27x = 12,238.25 × 5,331.54
  4. Step 4: Simplify right side
    8,868.27x = 65,248,719.41
  5. Step 5: Solve for x
    x = 65,248,719.41/8,868.27
  6. Step 6: Final answer
    x = 7,357.55

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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.