Home / 11,974.92-16,525.50-6,669.72

Finding the Fourth Proportional to 11,974.92, 16,525.50 and 6,669.72

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Solution

The fourth proportional to 11,974.92, 16,525.50 and 6,669.72 is: 9,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.92 : 16,525.50 = 6,669.72 : x
  2. Step 2: Convert to fraction form
    11,974.92/16,525.50 = 6,669.72/x
  3. Step 3: Cross multiply
    11,974.92x = 16,525.50 × 6,669.72
  4. Step 4: Simplify right side
    11,974.92x = 110,220,457.86
  5. Step 5: Solve for x
    x = 110,220,457.86/11,974.92
  6. Step 6: Final answer
    x = 9,204.28

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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.