Home / 10,822.68-16,122.96-10,425.87

Finding the Fourth Proportional to 10,822.68, 16,122.96 and 10,425.87

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Solution

The fourth proportional to 10,822.68, 16,122.96 and 10,425.87 is: 15,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.68 : 16,122.96 = 10,425.87 : x
  2. Step 2: Convert to fraction form
    10,822.68/16,122.96 = 10,425.87/x
  3. Step 3: Cross multiply
    10,822.68x = 16,122.96 × 10,425.87
  4. Step 4: Simplify right side
    10,822.68x = 168,095,884.98
  5. Step 5: Solve for x
    x = 168,095,884.98/10,822.68
  6. Step 6: Final answer
    x = 15,531.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.