Home / 12,374.04-18,565.13-8,230.35

Finding the Fourth Proportional to 12,374.04, 18,565.13 and 8,230.35

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Solution

The fourth proportional to 12,374.04, 18,565.13 and 8,230.35 is: 12,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.04 : 18,565.13 = 8,230.35 : x
  2. Step 2: Convert to fraction form
    12,374.04/18,565.13 = 8,230.35/x
  3. Step 3: Cross multiply
    12,374.04x = 18,565.13 × 8,230.35
  4. Step 4: Simplify right side
    12,374.04x = 152,797,517.70
  5. Step 5: Solve for x
    x = 152,797,517.70/12,374.04
  6. Step 6: Final answer
    x = 12,348.23

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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.