Home / 10,122.68-13,968.96-5,930.84

Finding the Fourth Proportional to 10,122.68, 13,968.96 and 5,930.84

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Solution

The fourth proportional to 10,122.68, 13,968.96 and 5,930.84 is: 8,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.68 : 13,968.96 = 5,930.84 : x
  2. Step 2: Convert to fraction form
    10,122.68/13,968.96 = 5,930.84/x
  3. Step 3: Cross multiply
    10,122.68x = 13,968.96 × 5,930.84
  4. Step 4: Simplify right side
    10,122.68x = 82,847,666.73
  5. Step 5: Solve for x
    x = 82,847,666.73/10,122.68
  6. Step 6: Final answer
    x = 8,184.36

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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.