Home / 12,416.24-18,624.31-5,020.61

Finding the Fourth Proportional to 12,416.24, 18,624.31 and 5,020.61

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Solution

The fourth proportional to 12,416.24, 18,624.31 and 5,020.61 is: 7,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.24 : 18,624.31 = 5,020.61 : x
  2. Step 2: Convert to fraction form
    12,416.24/18,624.31 = 5,020.61/x
  3. Step 3: Cross multiply
    12,416.24x = 18,624.31 × 5,020.61
  4. Step 4: Simplify right side
    12,416.24x = 93,505,397.03
  5. Step 5: Solve for x
    x = 93,505,397.03/12,416.24
  6. Step 6: Final answer
    x = 7,530.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.