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Finding the Fourth Proportional to 12,460.15, 17,195.07 and 6,871.15

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Solution

The fourth proportional to 12,460.15, 17,195.07 and 6,871.15 is: 9,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.15 : 17,195.07 = 6,871.15 : x
  2. Step 2: Convert to fraction form
    12,460.15/17,195.07 = 6,871.15/x
  3. Step 3: Cross multiply
    12,460.15x = 17,195.07 × 6,871.15
  4. Step 4: Simplify right side
    12,460.15x = 118,149,905.23
  5. Step 5: Solve for x
    x = 118,149,905.23/12,460.15
  6. Step 6: Final answer
    x = 9,482.22

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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.