Home / 11,499.24-15,869.04-6,463.68

Finding the Fourth Proportional to 11,499.24, 15,869.04 and 6,463.68

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Solution

The fourth proportional to 11,499.24, 15,869.04 and 6,463.68 is: 8,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.24 : 15,869.04 = 6,463.68 : x
  2. Step 2: Convert to fraction form
    11,499.24/15,869.04 = 6,463.68/x
  3. Step 3: Cross multiply
    11,499.24x = 15,869.04 × 6,463.68
  4. Step 4: Simplify right side
    11,499.24x = 102,572,396.47
  5. Step 5: Solve for x
    x = 102,572,396.47/11,499.24
  6. Step 6: Final answer
    x = 8,919.93

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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.