Home / 8,042.90-12,043.46-5,551.79

Finding the Fourth Proportional to 8,042.90, 12,043.46 and 5,551.79

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Solution

The fourth proportional to 8,042.90, 12,043.46 and 5,551.79 is: 8,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.90 : 12,043.46 = 5,551.79 : x
  2. Step 2: Convert to fraction form
    8,042.90/12,043.46 = 5,551.79/x
  3. Step 3: Cross multiply
    8,042.90x = 12,043.46 × 5,551.79
  4. Step 4: Simplify right side
    8,042.90x = 66,862,714.46
  5. Step 5: Solve for x
    x = 66,862,714.46/8,042.90
  6. Step 6: Final answer
    x = 8,313.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.