Home / 8,851.67-13,263.07-5,157

Finding the Fourth Proportional to 8,851.67, 13,263.07 and 5,157

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Solution

The fourth proportional to 8,851.67, 13,263.07 and 5,157 is: 7,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.67 : 13,263.07 = 5,157 : x
  2. Step 2: Convert to fraction form
    8,851.67/13,263.07 = 5,157/x
  3. Step 3: Cross multiply
    8,851.67x = 13,263.07 × 5,157
  4. Step 4: Simplify right side
    8,851.67x = 68,397,651.99
  5. Step 5: Solve for x
    x = 68,397,651.99/8,851.67
  6. Step 6: Final answer
    x = 7,727.09

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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.