Home / 8,052.12-11,186.33-7,980.03

Finding the Fourth Proportional to 8,052.12, 11,186.33 and 7,980.03

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Solution

The fourth proportional to 8,052.12, 11,186.33 and 7,980.03 is: 11,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.12 : 11,186.33 = 7,980.03 : x
  2. Step 2: Convert to fraction form
    8,052.12/11,186.33 = 7,980.03/x
  3. Step 3: Cross multiply
    8,052.12x = 11,186.33 × 7,980.03
  4. Step 4: Simplify right side
    8,052.12x = 89,267,209.09
  5. Step 5: Solve for x
    x = 89,267,209.09/8,052.12
  6. Step 6: Final answer
    x = 11,086.17

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Half scale
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Double scale
Find fourth proportional to 8,053.12, 11,187.71 and 7,981.03
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.