Home / 11,624.12-16,041.30-6,318.68

Finding the Fourth Proportional to 11,624.12, 16,041.30 and 6,318.68

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Solution

The fourth proportional to 11,624.12, 16,041.30 and 6,318.68 is: 8,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.12 : 16,041.30 = 6,318.68 : x
  2. Step 2: Convert to fraction form
    11,624.12/16,041.30 = 6,318.68/x
  3. Step 3: Cross multiply
    11,624.12x = 16,041.30 × 6,318.68
  4. Step 4: Simplify right side
    11,624.12x = 101,359,841.48
  5. Step 5: Solve for x
    x = 101,359,841.48/11,624.12
  6. Step 6: Final answer
    x = 8,719.79

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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.