Home / 11,650.71-16,077.87-6,345.62

Finding the Fourth Proportional to 11,650.71, 16,077.87 and 6,345.62

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Solution

The fourth proportional to 11,650.71, 16,077.87 and 6,345.62 is: 8,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.71 : 16,077.87 = 6,345.62 : x
  2. Step 2: Convert to fraction form
    11,650.71/16,077.87 = 6,345.62/x
  3. Step 3: Cross multiply
    11,650.71x = 16,077.87 × 6,345.62
  4. Step 4: Simplify right side
    11,650.71x = 102,024,053.43
  5. Step 5: Solve for x
    x = 102,024,053.43/11,650.71
  6. Step 6: Final answer
    x = 8,756.90

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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.