Home / 10,112.13-15,167.12-3,538.44

Finding the Fourth Proportional to 10,112.13, 15,167.12 and 3,538.44

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Solution

The fourth proportional to 10,112.13, 15,167.12 and 3,538.44 is: 5,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.13 : 15,167.12 = 3,538.44 : x
  2. Step 2: Convert to fraction form
    10,112.13/15,167.12 = 3,538.44/x
  3. Step 3: Cross multiply
    10,112.13x = 15,167.12 × 3,538.44
  4. Step 4: Simplify right side
    10,112.13x = 53,667,926.40
  5. Step 5: Solve for x
    x = 53,667,926.40/10,112.13
  6. Step 6: Final answer
    x = 5,307.28

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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.