Home / 9,874.19-13,627.67-5,626.79

Finding the Fourth Proportional to 9,874.19, 13,627.67 and 5,626.79

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Solution

The fourth proportional to 9,874.19, 13,627.67 and 5,626.79 is: 7,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.19 : 13,627.67 = 5,626.79 : x
  2. Step 2: Convert to fraction form
    9,874.19/13,627.67 = 5,626.79/x
  3. Step 3: Cross multiply
    9,874.19x = 13,627.67 × 5,626.79
  4. Step 4: Simplify right side
    9,874.19x = 76,679,992.11
  5. Step 5: Solve for x
    x = 76,679,992.11/9,874.19
  6. Step 6: Final answer
    x = 7,765.70

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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.