Home / 9,874.20-13,626.59-5,398.14

Finding the Fourth Proportional to 9,874.20, 13,626.59 and 5,398.14

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Solution

The fourth proportional to 9,874.20, 13,626.59 and 5,398.14 is: 7,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.20 : 13,626.59 = 5,398.14 : x
  2. Step 2: Convert to fraction form
    9,874.20/13,626.59 = 5,398.14/x
  3. Step 3: Cross multiply
    9,874.20x = 13,626.59 × 5,398.14
  4. Step 4: Simplify right side
    9,874.20x = 73,558,240.54
  5. Step 5: Solve for x
    x = 73,558,240.54/9,874.20
  6. Step 6: Final answer
    x = 7,449.54

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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.