Home / 8,757.02-13,112.58-6,993.92

Finding the Fourth Proportional to 8,757.02, 13,112.58 and 6,993.92

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Solution

The fourth proportional to 8,757.02, 13,112.58 and 6,993.92 is: 10,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.02 : 13,112.58 = 6,993.92 : x
  2. Step 2: Convert to fraction form
    8,757.02/13,112.58 = 6,993.92/x
  3. Step 3: Cross multiply
    8,757.02x = 13,112.58 × 6,993.92
  4. Step 4: Simplify right side
    8,757.02x = 91,708,335.51
  5. Step 5: Solve for x
    x = 91,708,335.51/8,757.02
  6. Step 6: Final answer
    x = 10,472.55

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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.