Home / 12,249.01-16,898.77-7,998.72

Finding the Fourth Proportional to 12,249.01, 16,898.77 and 7,998.72

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Solution

The fourth proportional to 12,249.01, 16,898.77 and 7,998.72 is: 11,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.01 : 16,898.77 = 7,998.72 : x
  2. Step 2: Convert to fraction form
    12,249.01/16,898.77 = 7,998.72/x
  3. Step 3: Cross multiply
    12,249.01x = 16,898.77 × 7,998.72
  4. Step 4: Simplify right side
    12,249.01x = 135,168,529.57
  5. Step 5: Solve for x
    x = 135,168,529.57/12,249.01
  6. Step 6: Final answer
    x = 11,035.06

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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.