Home / 9,874.97-13,626.90-5,397.83

Finding the Fourth Proportional to 9,874.97, 13,626.90 and 5,397.83

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Solution

The fourth proportional to 9,874.97, 13,626.90 and 5,397.83 is: 7,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.97 : 13,626.90 = 5,397.83 : x
  2. Step 2: Convert to fraction form
    9,874.97/13,626.90 = 5,397.83/x
  3. Step 3: Cross multiply
    9,874.97x = 13,626.90 × 5,397.83
  4. Step 4: Simplify right side
    9,874.97x = 73,555,621.49
  5. Step 5: Solve for x
    x = 73,555,621.49/9,874.97
  6. Step 6: Final answer
    x = 7,448.70

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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.