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Finding the Fourth Proportional to 12,460.92, 17,196.12 and 6,871.92

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Solution

The fourth proportional to 12,460.92, 17,196.12 and 6,871.92 is: 9,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.92 : 17,196.12 = 6,871.92 : x
  2. Step 2: Convert to fraction form
    12,460.92/17,196.12 = 6,871.92/x
  3. Step 3: Cross multiply
    12,460.92x = 17,196.12 × 6,871.92
  4. Step 4: Simplify right side
    12,460.92x = 118,170,360.95
  5. Step 5: Solve for x
    x = 118,170,360.95/12,460.92
  6. Step 6: Final answer
    x = 9,483.28

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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.