Home / 8,551.31-11,799.38-5,714.12

Finding the Fourth Proportional to 8,551.31, 11,799.38 and 5,714.12

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Solution

The fourth proportional to 8,551.31, 11,799.38 and 5,714.12 is: 7,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.31 : 11,799.38 = 5,714.12 : x
  2. Step 2: Convert to fraction form
    8,551.31/11,799.38 = 5,714.12/x
  3. Step 3: Cross multiply
    8,551.31x = 11,799.38 × 5,714.12
  4. Step 4: Simplify right side
    8,551.31x = 67,423,117.03
  5. Step 5: Solve for x
    x = 67,423,117.03/8,551.31
  6. Step 6: Final answer
    x = 7,884.54

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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.