Home / 10,718.68-16,102.74-10,275.82

Finding the Fourth Proportional to 10,718.68, 16,102.74 and 10,275.82

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Solution

The fourth proportional to 10,718.68, 16,102.74 and 10,275.82 is: 15,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.68 : 16,102.74 = 10,275.82 : x
  2. Step 2: Convert to fraction form
    10,718.68/16,102.74 = 10,275.82/x
  3. Step 3: Cross multiply
    10,718.68x = 16,102.74 × 10,275.82
  4. Step 4: Simplify right side
    10,718.68x = 165,468,857.75
  5. Step 5: Solve for x
    x = 165,468,857.75/10,718.68
  6. Step 6: Final answer
    x = 15,437.43

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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.