Home / 10,282.97-14,176.78-8,165.51

Finding the Fourth Proportional to 10,282.97, 14,176.78 and 8,165.51

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Solution

The fourth proportional to 10,282.97, 14,176.78 and 8,165.51 is: 11,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.97 : 14,176.78 = 8,165.51 : x
  2. Step 2: Convert to fraction form
    10,282.97/14,176.78 = 8,165.51/x
  3. Step 3: Cross multiply
    10,282.97x = 14,176.78 × 8,165.51
  4. Step 4: Simplify right side
    10,282.97x = 115,760,657.78
  5. Step 5: Solve for x
    x = 115,760,657.78/10,282.97
  6. Step 6: Final answer
    x = 11,257.51

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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.