Home / 10,995.46-15,175.29-6,805.06

Finding the Fourth Proportional to 10,995.46, 15,175.29 and 6,805.06

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Solution

The fourth proportional to 10,995.46, 15,175.29 and 6,805.06 is: 9,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.46 : 15,175.29 = 6,805.06 : x
  2. Step 2: Convert to fraction form
    10,995.46/15,175.29 = 6,805.06/x
  3. Step 3: Cross multiply
    10,995.46x = 15,175.29 × 6,805.06
  4. Step 4: Simplify right side
    10,995.46x = 103,268,758.97
  5. Step 5: Solve for x
    x = 103,268,758.97/10,995.46
  6. Step 6: Final answer
    x = 9,391.95

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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.