Home / 10,309.78-14,227.08-5,593.96

Finding the Fourth Proportional to 10,309.78, 14,227.08 and 5,593.96

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Solution

The fourth proportional to 10,309.78, 14,227.08 and 5,593.96 is: 7,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.78 : 14,227.08 = 5,593.96 : x
  2. Step 2: Convert to fraction form
    10,309.78/14,227.08 = 5,593.96/x
  3. Step 3: Cross multiply
    10,309.78x = 14,227.08 × 5,593.96
  4. Step 4: Simplify right side
    10,309.78x = 79,585,716.44
  5. Step 5: Solve for x
    x = 79,585,716.44/10,309.78
  6. Step 6: Final answer
    x = 7,719.44

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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.