Home / 8,265.04-11,342.48-8,206.72

Finding the Fourth Proportional to 8,265.04, 11,342.48 and 8,206.72

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Solution

The fourth proportional to 8,265.04, 11,342.48 and 8,206.72 is: 11,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.04 : 11,342.48 = 8,206.72 : x
  2. Step 2: Convert to fraction form
    8,265.04/11,342.48 = 8,206.72/x
  3. Step 3: Cross multiply
    8,265.04x = 11,342.48 × 8,206.72
  4. Step 4: Simplify right side
    8,265.04x = 93,084,557.47
  5. Step 5: Solve for x
    x = 93,084,557.47/8,265.04
  6. Step 6: Final answer
    x = 11,262.44

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Half scale
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Double scale
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Similar ratio
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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.