Home / 8,791.44-12,131.28-5,014.32

Finding the Fourth Proportional to 8,791.44, 12,131.28 and 5,014.32

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Solution

The fourth proportional to 8,791.44, 12,131.28 and 5,014.32 is: 6,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.44 : 12,131.28 = 5,014.32 : x
  2. Step 2: Convert to fraction form
    8,791.44/12,131.28 = 5,014.32/x
  3. Step 3: Cross multiply
    8,791.44x = 12,131.28 × 5,014.32
  4. Step 4: Simplify right side
    8,791.44x = 60,830,106.59
  5. Step 5: Solve for x
    x = 60,830,106.59/8,791.44
  6. Step 6: Final answer
    x = 6,919.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.