Home / 10,820.68-16,233.12-4,156.69

Finding the Fourth Proportional to 10,820.68, 16,233.12 and 4,156.69

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Solution

The fourth proportional to 10,820.68, 16,233.12 and 4,156.69 is: 6,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.68 : 16,233.12 = 4,156.69 : x
  2. Step 2: Convert to fraction form
    10,820.68/16,233.12 = 4,156.69/x
  3. Step 3: Cross multiply
    10,820.68x = 16,233.12 × 4,156.69
  4. Step 4: Simplify right side
    10,820.68x = 67,476,006.99
  5. Step 5: Solve for x
    x = 67,476,006.99/10,820.68
  6. Step 6: Final answer
    x = 6,235.84

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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.