Home / 10,718.06-16,101.80-10,275.20

Finding the Fourth Proportional to 10,718.06, 16,101.80 and 10,275.20

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Solution

The fourth proportional to 10,718.06, 16,101.80 and 10,275.20 is: 15,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.06 : 16,101.80 = 10,275.20 : x
  2. Step 2: Convert to fraction form
    10,718.06/16,101.80 = 10,275.20/x
  3. Step 3: Cross multiply
    10,718.06x = 16,101.80 × 10,275.20
  4. Step 4: Simplify right side
    10,718.06x = 165,449,083.48
  5. Step 5: Solve for x
    x = 165,449,083.48/10,718.06
  6. Step 6: Final answer
    x = 15,436.48

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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.