Home / 8,828.82-12,184.85-5,102.82

Finding the Fourth Proportional to 8,828.82, 12,184.85 and 5,102.82

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Solution

The fourth proportional to 8,828.82, 12,184.85 and 5,102.82 is: 7,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.82 : 12,184.85 = 5,102.82 : x
  2. Step 2: Convert to fraction form
    8,828.82/12,184.85 = 5,102.82/x
  3. Step 3: Cross multiply
    8,828.82x = 12,184.85 × 5,102.82
  4. Step 4: Simplify right side
    8,828.82x = 62,177,070.76
  5. Step 5: Solve for x
    x = 62,177,070.76/8,828.82
  6. Step 6: Final answer
    x = 7,042.51

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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.