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Finding the Fourth Proportional to 12,597.55, 17,387.03 and 8,341.11

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Solution

The fourth proportional to 12,597.55, 17,387.03 and 8,341.11 is: 11,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597.55 : 17,387.03 = 8,341.11 : x
  2. Step 2: Convert to fraction form
    12,597.55/17,387.03 = 8,341.11/x
  3. Step 3: Cross multiply
    12,597.55x = 17,387.03 × 8,341.11
  4. Step 4: Simplify right side
    12,597.55x = 145,027,001.16
  5. Step 5: Solve for x
    x = 145,027,001.16/12,597.55
  6. Step 6: Final answer
    x = 11,512.32

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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.