Home / 7,999.48-11,995.28-2,451.49

Finding the Fourth Proportional to 7,999.48, 11,995.28 and 2,451.49

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Solution

The fourth proportional to 7,999.48, 11,995.28 and 2,451.49 is: 3,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.48 : 11,995.28 = 2,451.49 : x
  2. Step 2: Convert to fraction form
    7,999.48/11,995.28 = 2,451.49/x
  3. Step 3: Cross multiply
    7,999.48x = 11,995.28 × 2,451.49
  4. Step 4: Simplify right side
    7,999.48x = 29,406,306.20
  5. Step 5: Solve for x
    x = 29,406,306.20/7,999.48
  6. Step 6: Final answer
    x = 3,676.03

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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.