Home / 12,432.04-18,647.94-5,854.63

Finding the Fourth Proportional to 12,432.04, 18,647.94 and 5,854.63

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Solution

The fourth proportional to 12,432.04, 18,647.94 and 5,854.63 is: 8,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.04 : 18,647.94 = 5,854.63 : x
  2. Step 2: Convert to fraction form
    12,432.04/18,647.94 = 5,854.63/x
  3. Step 3: Cross multiply
    12,432.04x = 18,647.94 × 5,854.63
  4. Step 4: Simplify right side
    12,432.04x = 109,176,788.96
  5. Step 5: Solve for x
    x = 109,176,788.96/12,432.04
  6. Step 6: Final answer
    x = 8,781.89

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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.