Home / 11,271.89-15,549.97-7,294.29

Finding the Fourth Proportional to 11,271.89, 15,549.97 and 7,294.29

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Solution

The fourth proportional to 11,271.89, 15,549.97 and 7,294.29 is: 10,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.89 : 15,549.97 = 7,294.29 : x
  2. Step 2: Convert to fraction form
    11,271.89/15,549.97 = 7,294.29/x
  3. Step 3: Cross multiply
    11,271.89x = 15,549.97 × 7,294.29
  4. Step 4: Simplify right side
    11,271.89x = 113,425,990.67
  5. Step 5: Solve for x
    x = 113,425,990.67/11,271.89
  6. Step 6: Final answer
    x = 10,062.73

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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.