Home / 8,371.89-12,560.67-5,254.20

Finding the Fourth Proportional to 8,371.89, 12,560.67 and 5,254.20

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Solution

The fourth proportional to 8,371.89, 12,560.67 and 5,254.20 is: 7,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.89 : 12,560.67 = 5,254.20 : x
  2. Step 2: Convert to fraction form
    8,371.89/12,560.67 = 5,254.20/x
  3. Step 3: Cross multiply
    8,371.89x = 12,560.67 × 5,254.20
  4. Step 4: Simplify right side
    8,371.89x = 65,996,272.31
  5. Step 5: Solve for x
    x = 65,996,272.31/8,371.89
  6. Step 6: Final answer
    x = 7,883.08

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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.