Home / 11,624.15-16,040.88-6,318.85

Finding the Fourth Proportional to 11,624.15, 16,040.88 and 6,318.85

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Solution

The fourth proportional to 11,624.15, 16,040.88 and 6,318.85 is: 8,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.15 : 16,040.88 = 6,318.85 : x
  2. Step 2: Convert to fraction form
    11,624.15/16,040.88 = 6,318.85/x
  3. Step 3: Cross multiply
    11,624.15x = 16,040.88 × 6,318.85
  4. Step 4: Simplify right side
    11,624.15x = 101,359,914.59
  5. Step 5: Solve for x
    x = 101,359,914.59/11,624.15
  6. Step 6: Final answer
    x = 8,719.77

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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.