Home / 12,374.29-18,565.51-8,230.60

Finding the Fourth Proportional to 12,374.29, 18,565.51 and 8,230.60

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Solution

The fourth proportional to 12,374.29, 18,565.51 and 8,230.60 is: 12,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.29 : 18,565.51 = 8,230.60 : x
  2. Step 2: Convert to fraction form
    12,374.29/18,565.51 = 8,230.60/x
  3. Step 3: Cross multiply
    12,374.29x = 18,565.51 × 8,230.60
  4. Step 4: Simplify right side
    12,374.29x = 152,805,245.45
  5. Step 5: Solve for x
    x = 152,805,245.45/12,374.29
  6. Step 6: Final answer
    x = 12,348.61

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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.