Home / 26,460.06-39,689.97-7,992.06

Finding the Fourth Proportional to 26,460.06, 39,689.97 and 7,992.06

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Solution

The fourth proportional to 26,460.06, 39,689.97 and 7,992.06 is: 11,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.06 : 39,689.97 = 7,992.06 : x
  2. Step 2: Convert to fraction form
    26,460.06/39,689.97 = 7,992.06/x
  3. Step 3: Cross multiply
    26,460.06x = 39,689.97 × 7,992.06
  4. Step 4: Simplify right side
    26,460.06x = 317,204,621.64
  5. Step 5: Solve for x
    x = 317,204,621.64/26,460.06
  6. Step 6: Final answer
    x = 11,988.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.