Home / 8,878.24-12,251.92-4,899.36

Finding the Fourth Proportional to 8,878.24, 12,251.92 and 4,899.36

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Solution

The fourth proportional to 8,878.24, 12,251.92 and 4,899.36 is: 6,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.24 : 12,251.92 = 4,899.36 : x
  2. Step 2: Convert to fraction form
    8,878.24/12,251.92 = 4,899.36/x
  3. Step 3: Cross multiply
    8,878.24x = 12,251.92 × 4,899.36
  4. Step 4: Simplify right side
    8,878.24x = 60,026,566.77
  5. Step 5: Solve for x
    x = 60,026,566.77/8,878.24
  6. Step 6: Final answer
    x = 6,761.09

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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.