Home / 12,410.08-17,126.66-7,104.78

Finding the Fourth Proportional to 12,410.08, 17,126.66 and 7,104.78

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Solution

The fourth proportional to 12,410.08, 17,126.66 and 7,104.78 is: 9,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.08 : 17,126.66 = 7,104.78 : x
  2. Step 2: Convert to fraction form
    12,410.08/17,126.66 = 7,104.78/x
  3. Step 3: Cross multiply
    12,410.08x = 17,126.66 × 7,104.78
  4. Step 4: Simplify right side
    12,410.08x = 121,681,169.20
  5. Step 5: Solve for x
    x = 121,681,169.20/12,410.08
  6. Step 6: Final answer
    x = 9,805.03

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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.