Home / 10,081.35-13,911.20-5,604.38

Finding the Fourth Proportional to 10,081.35, 13,911.20 and 5,604.38

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Solution

The fourth proportional to 10,081.35, 13,911.20 and 5,604.38 is: 7,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.35 : 13,911.20 = 5,604.38 : x
  2. Step 2: Convert to fraction form
    10,081.35/13,911.20 = 5,604.38/x
  3. Step 3: Cross multiply
    10,081.35x = 13,911.20 × 5,604.38
  4. Step 4: Simplify right side
    10,081.35x = 77,963,651.06
  5. Step 5: Solve for x
    x = 77,963,651.06/10,081.35
  6. Step 6: Final answer
    x = 7,733.45

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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.