Home / 10,571.42-15,845.67-6,876.29

Finding the Fourth Proportional to 10,571.42, 15,845.67 and 6,876.29

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Solution

The fourth proportional to 10,571.42, 15,845.67 and 6,876.29 is: 10,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.42 : 15,845.67 = 6,876.29 : x
  2. Step 2: Convert to fraction form
    10,571.42/15,845.67 = 6,876.29/x
  3. Step 3: Cross multiply
    10,571.42x = 15,845.67 × 6,876.29
  4. Step 4: Simplify right side
    10,571.42x = 108,959,422.16
  5. Step 5: Solve for x
    x = 108,959,422.16/10,571.42
  6. Step 6: Final answer
    x = 10,306.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.