Home / 12,246.24-16,900.20-6,657.24

Finding the Fourth Proportional to 12,246.24, 16,900.20 and 6,657.24

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Solution

The fourth proportional to 12,246.24, 16,900.20 and 6,657.24 is: 9,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.24 : 16,900.20 = 6,657.24 : x
  2. Step 2: Convert to fraction form
    12,246.24/16,900.20 = 6,657.24/x
  3. Step 3: Cross multiply
    12,246.24x = 16,900.20 × 6,657.24
  4. Step 4: Simplify right side
    12,246.24x = 112,508,687.45
  5. Step 5: Solve for x
    x = 112,508,687.45/12,246.24
  6. Step 6: Final answer
    x = 9,187.20

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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.