Home / 10,229.21-14,114.85-5,752.79

Finding the Fourth Proportional to 10,229.21, 14,114.85 and 5,752.79

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Solution

The fourth proportional to 10,229.21, 14,114.85 and 5,752.79 is: 7,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.21 : 14,114.85 = 5,752.79 : x
  2. Step 2: Convert to fraction form
    10,229.21/14,114.85 = 5,752.79/x
  3. Step 3: Cross multiply
    10,229.21x = 14,114.85 × 5,752.79
  4. Step 4: Simplify right side
    10,229.21x = 81,199,767.93
  5. Step 5: Solve for x
    x = 81,199,767.93/10,229.21
  6. Step 6: Final answer
    x = 7,938.03

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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.