Home / 8,112.42-11,197.94-4,756.32

Finding the Fourth Proportional to 8,112.42, 11,197.94 and 4,756.32

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Solution

The fourth proportional to 8,112.42, 11,197.94 and 4,756.32 is: 6,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.42 : 11,197.94 = 4,756.32 : x
  2. Step 2: Convert to fraction form
    8,112.42/11,197.94 = 4,756.32/x
  3. Step 3: Cross multiply
    8,112.42x = 11,197.94 × 4,756.32
  4. Step 4: Simplify right side
    8,112.42x = 53,260,962.20
  5. Step 5: Solve for x
    x = 53,260,962.20/8,112.42
  6. Step 6: Final answer
    x = 6,565.36

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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.