Home / 12,125.60-16,733.04-7,933.76

Finding the Fourth Proportional to 12,125.60, 16,733.04 and 7,933.76

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Solution

The fourth proportional to 12,125.60, 16,733.04 and 7,933.76 is: 10,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.60 : 16,733.04 = 7,933.76 : x
  2. Step 2: Convert to fraction form
    12,125.60/16,733.04 = 7,933.76/x
  3. Step 3: Cross multiply
    12,125.60x = 16,733.04 × 7,933.76
  4. Step 4: Simplify right side
    12,125.60x = 132,755,923.43
  5. Step 5: Solve for x
    x = 132,755,923.43/12,125.60
  6. Step 6: Final answer
    x = 10,948.40

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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.