Home / 10,081.08-13,912.38-5,604.66

Finding the Fourth Proportional to 10,081.08, 13,912.38 and 5,604.66

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Solution

The fourth proportional to 10,081.08, 13,912.38 and 5,604.66 is: 7,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.08 : 13,912.38 = 5,604.66 : x
  2. Step 2: Convert to fraction form
    10,081.08/13,912.38 = 5,604.66/x
  3. Step 3: Cross multiply
    10,081.08x = 13,912.38 × 5,604.66
  4. Step 4: Simplify right side
    10,081.08x = 77,974,159.69
  5. Step 5: Solve for x
    x = 77,974,159.69/10,081.08
  6. Step 6: Final answer
    x = 7,734.70

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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.