Home / 8,622.11-11,899.61-5,264.20

Finding the Fourth Proportional to 8,622.11, 11,899.61 and 5,264.20

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Solution

The fourth proportional to 8,622.11, 11,899.61 and 5,264.20 is: 7,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.11 : 11,899.61 = 5,264.20 : x
  2. Step 2: Convert to fraction form
    8,622.11/11,899.61 = 5,264.20/x
  3. Step 3: Cross multiply
    8,622.11x = 11,899.61 × 5,264.20
  4. Step 4: Simplify right side
    8,622.11x = 62,641,926.96
  5. Step 5: Solve for x
    x = 62,641,926.96/8,622.11
  6. Step 6: Final answer
    x = 7,265.27

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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.