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Finding the Fourth Proportional to 8,009.14, 11,047.05 and 7,348.18

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Solution

The fourth proportional to 8,009.14, 11,047.05 and 7,348.18 is: 10,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.14 : 11,047.05 = 7,348.18 : x
  2. Step 2: Convert to fraction form
    8,009.14/11,047.05 = 7,348.18/x
  3. Step 3: Cross multiply
    8,009.14x = 11,047.05 × 7,348.18
  4. Step 4: Simplify right side
    8,009.14x = 81,175,711.87
  5. Step 5: Solve for x
    x = 81,175,711.87/8,009.14
  6. Step 6: Final answer
    x = 10,135.38

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Half scale
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Double scale
Find fourth proportional to 8,010.14, 11,048.43 and 7,349.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.