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Finding the Fourth Proportional to 11,326.68, 15,630.48 and 6,358.68

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Solution

The fourth proportional to 11,326.68, 15,630.48 and 6,358.68 is: 8,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.68 : 15,630.48 = 6,358.68 : x
  2. Step 2: Convert to fraction form
    11,326.68/15,630.48 = 6,358.68/x
  3. Step 3: Cross multiply
    11,326.68x = 15,630.48 × 6,358.68
  4. Step 4: Simplify right side
    11,326.68x = 99,389,220.57
  5. Step 5: Solve for x
    x = 99,389,220.57/11,326.68
  6. Step 6: Final answer
    x = 8,774.79

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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.