Home / 11,776.08-16,251.04-6,470.76

Finding the Fourth Proportional to 11,776.08, 16,251.04 and 6,470.76

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Solution

The fourth proportional to 11,776.08, 16,251.04 and 6,470.76 is: 8,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.08 : 16,251.04 = 6,470.76 : x
  2. Step 2: Convert to fraction form
    11,776.08/16,251.04 = 6,470.76/x
  3. Step 3: Cross multiply
    11,776.08x = 16,251.04 × 6,470.76
  4. Step 4: Simplify right side
    11,776.08x = 105,156,579.59
  5. Step 5: Solve for x
    x = 105,156,579.59/11,776.08
  6. Step 6: Final answer
    x = 8,929.68

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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.