Home / 11,695.21-17,545.55-7,999.18

Finding the Fourth Proportional to 11,695.21, 17,545.55 and 7,999.18

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Solution

The fourth proportional to 11,695.21, 17,545.55 and 7,999.18 is: 12,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.21 : 17,545.55 = 7,999.18 : x
  2. Step 2: Convert to fraction form
    11,695.21/17,545.55 = 7,999.18/x
  3. Step 3: Cross multiply
    11,695.21x = 17,545.55 × 7,999.18
  4. Step 4: Simplify right side
    11,695.21x = 140,350,012.65
  5. Step 5: Solve for x
    x = 140,350,012.65/11,695.21
  6. Step 6: Final answer
    x = 12,000.64

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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.