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Finding the Fourth Proportional to 8,113.16, 11,196.16 and 4,387.16

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Solution

The fourth proportional to 8,113.16, 11,196.16 and 4,387.16 is: 6,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.16 : 11,196.16 = 4,387.16 : x
  2. Step 2: Convert to fraction form
    8,113.16/11,196.16 = 4,387.16/x
  3. Step 3: Cross multiply
    8,113.16x = 11,196.16 × 4,387.16
  4. Step 4: Simplify right side
    8,113.16x = 49,119,267.39
  5. Step 5: Solve for x
    x = 49,119,267.39/8,113.16
  6. Step 6: Final answer
    x = 6,054.27

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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.