Home / 8,851.41-13,291.22-5,156.33

Finding the Fourth Proportional to 8,851.41, 13,291.22 and 5,156.33

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Solution

The fourth proportional to 8,851.41, 13,291.22 and 5,156.33 is: 7,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.41 : 13,291.22 = 5,156.33 : x
  2. Step 2: Convert to fraction form
    8,851.41/13,291.22 = 5,156.33/x
  3. Step 3: Cross multiply
    8,851.41x = 13,291.22 × 5,156.33
  4. Step 4: Simplify right side
    8,851.41x = 68,533,862.86
  5. Step 5: Solve for x
    x = 68,533,862.86/8,851.41
  6. Step 6: Final answer
    x = 7,742.71

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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.