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Finding the Fourth Proportional to 8,326.74, 11,492.65 and 8,063.29

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Solution

The fourth proportional to 8,326.74, 11,492.65 and 8,063.29 is: 11,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.74 : 11,492.65 = 8,063.29 : x
  2. Step 2: Convert to fraction form
    8,326.74/11,492.65 = 8,063.29/x
  3. Step 3: Cross multiply
    8,326.74x = 11,492.65 × 8,063.29
  4. Step 4: Simplify right side
    8,326.74x = 92,668,561.25
  5. Step 5: Solve for x
    x = 92,668,561.25/8,326.74
  6. Step 6: Final answer
    x = 11,129.03

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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.