Home / 11,226.60-15,491.66-6,510.38

Finding the Fourth Proportional to 11,226.60, 15,491.66 and 6,510.38

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Solution

The fourth proportional to 11,226.60, 15,491.66 and 6,510.38 is: 8,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.60 : 15,491.66 = 6,510.38 : x
  2. Step 2: Convert to fraction form
    11,226.60/15,491.66 = 6,510.38/x
  3. Step 3: Cross multiply
    11,226.60x = 15,491.66 × 6,510.38
  4. Step 4: Simplify right side
    11,226.60x = 100,856,483.42
  5. Step 5: Solve for x
    x = 100,856,483.42/11,226.60
  6. Step 6: Final answer
    x = 8,983.71

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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.