Home / 13,149.34-19,712.90-5,748.17

Finding the Fourth Proportional to 13,149.34, 19,712.90 and 5,748.17

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Solution

The fourth proportional to 13,149.34, 19,712.90 and 5,748.17 is: 8,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.34 : 19,712.90 = 5,748.17 : x
  2. Step 2: Convert to fraction form
    13,149.34/19,712.90 = 5,748.17/x
  3. Step 3: Cross multiply
    13,149.34x = 19,712.90 × 5,748.17
  4. Step 4: Simplify right side
    13,149.34x = 113,313,016.20
  5. Step 5: Solve for x
    x = 113,313,016.20/13,149.34
  6. Step 6: Final answer
    x = 8,617.39

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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.