Home / 8,543.97-12,818.23-2,700.58

Finding the Fourth Proportional to 8,543.97, 12,818.23 and 2,700.58

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Solution

The fourth proportional to 8,543.97, 12,818.23 and 2,700.58 is: 4,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.97 : 12,818.23 = 2,700.58 : x
  2. Step 2: Convert to fraction form
    8,543.97/12,818.23 = 2,700.58/x
  3. Step 3: Cross multiply
    8,543.97x = 12,818.23 × 2,700.58
  4. Step 4: Simplify right side
    8,543.97x = 34,616,655.57
  5. Step 5: Solve for x
    x = 34,616,655.57/8,543.97
  6. Step 6: Final answer
    x = 4,051.59

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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.