Home / 9,272.40-13,841.15-8,587.14

Finding the Fourth Proportional to 9,272.40, 13,841.15 and 8,587.14

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Solution

The fourth proportional to 9,272.40, 13,841.15 and 8,587.14 is: 12,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.40 : 13,841.15 = 8,587.14 : x
  2. Step 2: Convert to fraction form
    9,272.40/13,841.15 = 8,587.14/x
  3. Step 3: Cross multiply
    9,272.40x = 13,841.15 × 8,587.14
  4. Step 4: Simplify right side
    9,272.40x = 118,855,797.97
  5. Step 5: Solve for x
    x = 118,855,797.97/9,272.40
  6. Step 6: Final answer
    x = 12,818.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.