Home / 7,820.04-11,731.14-2,625.24

Finding the Fourth Proportional to 7,820.04, 11,731.14 and 2,625.24

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Solution

The fourth proportional to 7,820.04, 11,731.14 and 2,625.24 is: 3,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.04 : 11,731.14 = 2,625.24 : x
  2. Step 2: Convert to fraction form
    7,820.04/11,731.14 = 2,625.24/x
  3. Step 3: Cross multiply
    7,820.04x = 11,731.14 × 2,625.24
  4. Step 4: Simplify right side
    7,820.04x = 30,797,057.97
  5. Step 5: Solve for x
    x = 30,797,057.97/7,820.04
  6. Step 6: Final answer
    x = 3,938.22

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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.