Home / 11,555.01-15,945.90-6,249.81

Finding the Fourth Proportional to 11,555.01, 15,945.90 and 6,249.81

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Solution

The fourth proportional to 11,555.01, 15,945.90 and 6,249.81 is: 8,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.01 : 15,945.90 = 6,249.81 : x
  2. Step 2: Convert to fraction form
    11,555.01/15,945.90 = 6,249.81/x
  3. Step 3: Cross multiply
    11,555.01x = 15,945.90 × 6,249.81
  4. Step 4: Simplify right side
    11,555.01x = 99,658,845.28
  5. Step 5: Solve for x
    x = 99,658,845.28/11,555.01
  6. Step 6: Final answer
    x = 8,624.73

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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.