Home / 12,249.18-18,375.18-4,854.28

Finding the Fourth Proportional to 12,249.18, 18,375.18 and 4,854.28

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Solution

The fourth proportional to 12,249.18, 18,375.18 and 4,854.28 is: 7,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.18 : 18,375.18 = 4,854.28 : x
  2. Step 2: Convert to fraction form
    12,249.18/18,375.18 = 4,854.28/x
  3. Step 3: Cross multiply
    12,249.18x = 18,375.18 × 4,854.28
  4. Step 4: Simplify right side
    12,249.18x = 89,198,268.77
  5. Step 5: Solve for x
    x = 89,198,268.77/12,249.18
  6. Step 6: Final answer
    x = 7,281.98

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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.