Home / 13,164.12-19,752.30-5,767.62

Finding the Fourth Proportional to 13,164.12, 19,752.30 and 5,767.62

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Solution

The fourth proportional to 13,164.12, 19,752.30 and 5,767.62 is: 8,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.12 : 19,752.30 = 5,767.62 : x
  2. Step 2: Convert to fraction form
    13,164.12/19,752.30 = 5,767.62/x
  3. Step 3: Cross multiply
    13,164.12x = 19,752.30 × 5,767.62
  4. Step 4: Simplify right side
    13,164.12x = 113,923,760.53
  5. Step 5: Solve for x
    x = 113,923,760.53/13,164.12
  6. Step 6: Final answer
    x = 8,654.11

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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.