Home / 8,228.15-11,350.22-5,042.99

Finding the Fourth Proportional to 8,228.15, 11,350.22 and 5,042.99

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Solution

The fourth proportional to 8,228.15, 11,350.22 and 5,042.99 is: 6,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.15 : 11,350.22 = 5,042.99 : x
  2. Step 2: Convert to fraction form
    8,228.15/11,350.22 = 5,042.99/x
  3. Step 3: Cross multiply
    8,228.15x = 11,350.22 × 5,042.99
  4. Step 4: Simplify right side
    8,228.15x = 57,239,001.81
  5. Step 5: Solve for x
    x = 57,239,001.81/8,228.15
  6. Step 6: Final answer
    x = 6,956.49

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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.