Home / 12,072.24-18,108.18-5,828.04

Finding the Fourth Proportional to 12,072.24, 18,108.18 and 5,828.04

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Solution

The fourth proportional to 12,072.24, 18,108.18 and 5,828.04 is: 8,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.24 : 18,108.18 = 5,828.04 : x
  2. Step 2: Convert to fraction form
    12,072.24/18,108.18 = 5,828.04/x
  3. Step 3: Cross multiply
    12,072.24x = 18,108.18 × 5,828.04
  4. Step 4: Simplify right side
    12,072.24x = 105,535,197.37
  5. Step 5: Solve for x
    x = 105,535,197.37/12,072.24
  6. Step 6: Final answer
    x = 8,741.97

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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.