Home / 8,266.04-11,343.85-8,207.72

Finding the Fourth Proportional to 8,266.04, 11,343.85 and 8,207.72

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Solution

The fourth proportional to 8,266.04, 11,343.85 and 8,207.72 is: 11,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.04 : 11,343.85 = 8,207.72 : x
  2. Step 2: Convert to fraction form
    8,266.04/11,343.85 = 8,207.72/x
  3. Step 3: Cross multiply
    8,266.04x = 11,343.85 × 8,207.72
  4. Step 4: Simplify right side
    8,266.04x = 93,107,144.52
  5. Step 5: Solve for x
    x = 93,107,144.52/8,266.04
  6. Step 6: Final answer
    x = 11,263.81

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.