Home / 8,891.18-13,339.10-5,196.57

Finding the Fourth Proportional to 8,891.18, 13,339.10 and 5,196.57

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Solution

The fourth proportional to 8,891.18, 13,339.10 and 5,196.57 is: 7,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.18 : 13,339.10 = 5,196.57 : x
  2. Step 2: Convert to fraction form
    8,891.18/13,339.10 = 5,196.57/x
  3. Step 3: Cross multiply
    8,891.18x = 13,339.10 × 5,196.57
  4. Step 4: Simplify right side
    8,891.18x = 69,317,566.89
  5. Step 5: Solve for x
    x = 69,317,566.89/8,891.18
  6. Step 6: Final answer
    x = 7,796.22

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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.