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Finding the Fourth Proportional to 11,352.66, 15,667.11 and 6,316.68

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Solution

The fourth proportional to 11,352.66, 15,667.11 and 6,316.68 is: 8,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.66 : 15,667.11 = 6,316.68 : x
  2. Step 2: Convert to fraction form
    11,352.66/15,667.11 = 6,316.68/x
  3. Step 3: Cross multiply
    11,352.66x = 15,667.11 × 6,316.68
  4. Step 4: Simplify right side
    11,352.66x = 98,964,120.39
  5. Step 5: Solve for x
    x = 98,964,120.39/11,352.66
  6. Step 6: Final answer
    x = 8,717.26

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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.