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Finding the Fourth Proportional to 9,847.76, 13,587.36 and 5,867.12

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Solution

The fourth proportional to 9,847.76, 13,587.36 and 5,867.12 is: 8,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.76 : 13,587.36 = 5,867.12 : x
  2. Step 2: Convert to fraction form
    9,847.76/13,587.36 = 5,867.12/x
  3. Step 3: Cross multiply
    9,847.76x = 13,587.36 × 5,867.12
  4. Step 4: Simplify right side
    9,847.76x = 79,718,671.60
  5. Step 5: Solve for x
    x = 79,718,671.60/9,847.76
  6. Step 6: Final answer
    x = 8,095.11

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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.