Home / 11,958.57-17,937.68-5,380.11

Finding the Fourth Proportional to 11,958.57, 17,937.68 and 5,380.11

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Solution

The fourth proportional to 11,958.57, 17,937.68 and 5,380.11 is: 8,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.57 : 17,937.68 = 5,380.11 : x
  2. Step 2: Convert to fraction form
    11,958.57/17,937.68 = 5,380.11/x
  3. Step 3: Cross multiply
    11,958.57x = 17,937.68 × 5,380.11
  4. Step 4: Simplify right side
    11,958.57x = 96,506,664.64
  5. Step 5: Solve for x
    x = 96,506,664.64/11,958.57
  6. Step 6: Final answer
    x = 8,070.08

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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.