Home / 10,925.68-16,371.92-8,005.92

Finding the Fourth Proportional to 10,925.68, 16,371.92 and 8,005.92

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Solution

The fourth proportional to 10,925.68, 16,371.92 and 8,005.92 is: 11,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.68 : 16,371.92 = 8,005.92 : x
  2. Step 2: Convert to fraction form
    10,925.68/16,371.92 = 8,005.92/x
  3. Step 3: Cross multiply
    10,925.68x = 16,371.92 × 8,005.92
  4. Step 4: Simplify right side
    10,925.68x = 131,072,281.77
  5. Step 5: Solve for x
    x = 131,072,281.77/10,925.68
  6. Step 6: Final answer
    x = 11,996.72

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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.