Home / 8,616.29-11,902.21-6,751.46

Finding the Fourth Proportional to 8,616.29, 11,902.21 and 6,751.46

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Solution

The fourth proportional to 8,616.29, 11,902.21 and 6,751.46 is: 9,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.29 : 11,902.21 = 6,751.46 : x
  2. Step 2: Convert to fraction form
    8,616.29/11,902.21 = 6,751.46/x
  3. Step 3: Cross multiply
    8,616.29x = 11,902.21 × 6,751.46
  4. Step 4: Simplify right side
    8,616.29x = 80,357,307.60
  5. Step 5: Solve for x
    x = 80,357,307.60/8,616.29
  6. Step 6: Final answer
    x = 9,326.21

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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.