Home / 8,062.12-11,124.30-4,919.32

Finding the Fourth Proportional to 8,062.12, 11,124.30 and 4,919.32

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Solution

The fourth proportional to 8,062.12, 11,124.30 and 4,919.32 is: 6,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.12 : 11,124.30 = 4,919.32 : x
  2. Step 2: Convert to fraction form
    8,062.12/11,124.30 = 4,919.32/x
  3. Step 3: Cross multiply
    8,062.12x = 11,124.30 × 4,919.32
  4. Step 4: Simplify right side
    8,062.12x = 54,723,991.48
  5. Step 5: Solve for x
    x = 54,723,991.48/8,062.12
  6. Step 6: Final answer
    x = 6,787.79

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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.