Home / 7,481.12-11,223.02-3,098.91

Finding the Fourth Proportional to 7,481.12, 11,223.02 and 3,098.91

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Solution

The fourth proportional to 7,481.12, 11,223.02 and 3,098.91 is: 4,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.12 : 11,223.02 = 3,098.91 : x
  2. Step 2: Convert to fraction form
    7,481.12/11,223.02 = 3,098.91/x
  3. Step 3: Cross multiply
    7,481.12x = 11,223.02 × 3,098.91
  4. Step 4: Simplify right side
    7,481.12x = 34,779,113.41
  5. Step 5: Solve for x
    x = 34,779,113.41/7,481.12
  6. Step 6: Final answer
    x = 4,648.92

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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.