Home / 9,862.20-13,609.98-5,613.17

Finding the Fourth Proportional to 9,862.20, 13,609.98 and 5,613.17

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Solution

The fourth proportional to 9,862.20, 13,609.98 and 5,613.17 is: 7,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.20 : 13,609.98 = 5,613.17 : x
  2. Step 2: Convert to fraction form
    9,862.20/13,609.98 = 5,613.17/x
  3. Step 3: Cross multiply
    9,862.20x = 13,609.98 × 5,613.17
  4. Step 4: Simplify right side
    9,862.20x = 76,395,063.39
  5. Step 5: Solve for x
    x = 76,395,063.39/9,862.20
  6. Step 6: Final answer
    x = 7,746.25

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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.