Home / 7,851.90-11,767.01-5,773.04

Finding the Fourth Proportional to 7,851.90, 11,767.01 and 5,773.04

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Solution

The fourth proportional to 7,851.90, 11,767.01 and 5,773.04 is: 8,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.90 : 11,767.01 = 5,773.04 : x
  2. Step 2: Convert to fraction form
    7,851.90/11,767.01 = 5,773.04/x
  3. Step 3: Cross multiply
    7,851.90x = 11,767.01 × 5,773.04
  4. Step 4: Simplify right side
    7,851.90x = 67,931,360.58
  5. Step 5: Solve for x
    x = 67,931,360.58/7,851.90
  6. Step 6: Final answer
    x = 8,651.58

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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.