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Finding the Fourth Proportional to 8,873.16, 12,247.10 and 5,335.69

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Solution

The fourth proportional to 8,873.16, 12,247.10 and 5,335.69 is: 7,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.16 : 12,247.10 = 5,335.69 : x
  2. Step 2: Convert to fraction form
    8,873.16/12,247.10 = 5,335.69/x
  3. Step 3: Cross multiply
    8,873.16x = 12,247.10 × 5,335.69
  4. Step 4: Simplify right side
    8,873.16x = 65,346,671.70
  5. Step 5: Solve for x
    x = 65,346,671.70/8,873.16
  6. Step 6: Final answer
    x = 7,364.53

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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.