Home / 8,089.13-12,133.66-3,159.27

Finding the Fourth Proportional to 8,089.13, 12,133.66 and 3,159.27

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Solution

The fourth proportional to 8,089.13, 12,133.66 and 3,159.27 is: 4,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.13 : 12,133.66 = 3,159.27 : x
  2. Step 2: Convert to fraction form
    8,089.13/12,133.66 = 3,159.27/x
  3. Step 3: Cross multiply
    8,089.13x = 12,133.66 × 3,159.27
  4. Step 4: Simplify right side
    8,089.13x = 38,333,508.03
  5. Step 5: Solve for x
    x = 38,333,508.03/8,089.13
  6. Step 6: Final answer
    x = 4,738.89

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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.