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Finding the Fourth Proportional to 8,119.04, 11,193.12 and 5,133.38

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Solution

The fourth proportional to 8,119.04, 11,193.12 and 5,133.38 is: 7,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.04 : 11,193.12 = 5,133.38 : x
  2. Step 2: Convert to fraction form
    8,119.04/11,193.12 = 5,133.38/x
  3. Step 3: Cross multiply
    8,119.04x = 11,193.12 × 5,133.38
  4. Step 4: Simplify right side
    8,119.04x = 57,458,538.35
  5. Step 5: Solve for x
    x = 57,458,538.35/8,119.04
  6. Step 6: Final answer
    x = 7,077.01

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Half scale
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Double scale
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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.