Home / 8,816.24-12,139.46-8,110.93

Finding the Fourth Proportional to 8,816.24, 12,139.46 and 8,110.93

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Solution

The fourth proportional to 8,816.24, 12,139.46 and 8,110.93 is: 11,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.24 : 12,139.46 = 8,110.93 : x
  2. Step 2: Convert to fraction form
    8,816.24/12,139.46 = 8,110.93/x
  3. Step 3: Cross multiply
    8,816.24x = 12,139.46 × 8,110.93
  4. Step 4: Simplify right side
    8,816.24x = 98,462,310.30
  5. Step 5: Solve for x
    x = 98,462,310.30/8,816.24
  6. Step 6: Final answer
    x = 11,168.29

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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.