Home / 10,045.68-15,066.80-2,650.22

Finding the Fourth Proportional to 10,045.68, 15,066.80 and 2,650.22

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Solution

The fourth proportional to 10,045.68, 15,066.80 and 2,650.22 is: 3,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.68 : 15,066.80 = 2,650.22 : x
  2. Step 2: Convert to fraction form
    10,045.68/15,066.80 = 2,650.22/x
  3. Step 3: Cross multiply
    10,045.68x = 15,066.80 × 2,650.22
  4. Step 4: Simplify right side
    10,045.68x = 39,930,259.36
  5. Step 5: Solve for x
    x = 39,930,259.36/10,045.68
  6. Step 6: Final answer
    x = 3,974.87

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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.