Home / 12,369.24-18,553.60-3,009.30

Finding the Fourth Proportional to 12,369.24, 18,553.60 and 3,009.30

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Solution

The fourth proportional to 12,369.24, 18,553.60 and 3,009.30 is: 4,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.24 : 18,553.60 = 3,009.30 : x
  2. Step 2: Convert to fraction form
    12,369.24/18,553.60 = 3,009.30/x
  3. Step 3: Cross multiply
    12,369.24x = 18,553.60 × 3,009.30
  4. Step 4: Simplify right side
    12,369.24x = 55,833,407.12
  5. Step 5: Solve for x
    x = 55,833,407.12/12,369.24
  6. Step 6: Final answer
    x = 4,513.89

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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.