Home / 12,444.06-17,178.30-8,197.32

Finding the Fourth Proportional to 12,444.06, 17,178.30 and 8,197.32

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Solution

The fourth proportional to 12,444.06, 17,178.30 and 8,197.32 is: 11,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.06 : 17,178.30 = 8,197.32 : x
  2. Step 2: Convert to fraction form
    12,444.06/17,178.30 = 8,197.32/x
  3. Step 3: Cross multiply
    12,444.06x = 17,178.30 × 8,197.32
  4. Step 4: Simplify right side
    12,444.06x = 140,816,022.16
  5. Step 5: Solve for x
    x = 140,816,022.16/12,444.06
  6. Step 6: Final answer
    x = 11,315.92

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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.