Home / 8,080.13-12,116.98-3,402.38

Finding the Fourth Proportional to 8,080.13, 12,116.98 and 3,402.38

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Solution

The fourth proportional to 8,080.13, 12,116.98 and 3,402.38 is: 5,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.13 : 12,116.98 = 3,402.38 : x
  2. Step 2: Convert to fraction form
    8,080.13/12,116.98 = 3,402.38/x
  3. Step 3: Cross multiply
    8,080.13x = 12,116.98 × 3,402.38
  4. Step 4: Simplify right side
    8,080.13x = 41,226,492.82
  5. Step 5: Solve for x
    x = 41,226,492.82/8,080.13
  6. Step 6: Final answer
    x = 5,102.21

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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.