Home / 10,126.56-13,974.51-5,650.80

Finding the Fourth Proportional to 10,126.56, 13,974.51 and 5,650.80

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Solution

The fourth proportional to 10,126.56, 13,974.51 and 5,650.80 is: 7,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.56 : 13,974.51 = 5,650.80 : x
  2. Step 2: Convert to fraction form
    10,126.56/13,974.51 = 5,650.80/x
  3. Step 3: Cross multiply
    10,126.56x = 13,974.51 × 5,650.80
  4. Step 4: Simplify right side
    10,126.56x = 78,967,161.11
  5. Step 5: Solve for x
    x = 78,967,161.11/10,126.56
  6. Step 6: Final answer
    x = 7,798.02

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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.