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Finding the Fourth Proportional to 11,133.69, 15,367.01 and 6,941.13

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Solution

The fourth proportional to 11,133.69, 15,367.01 and 6,941.13 is: 9,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.69 : 15,367.01 = 6,941.13 : x
  2. Step 2: Convert to fraction form
    11,133.69/15,367.01 = 6,941.13/x
  3. Step 3: Cross multiply
    11,133.69x = 15,367.01 × 6,941.13
  4. Step 4: Simplify right side
    11,133.69x = 106,664,414.12
  5. Step 5: Solve for x
    x = 106,664,414.12/11,133.69
  6. Step 6: Final answer
    x = 9,580.33

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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.