Home / 11,402.40-17,103.60-5,562.72

Finding the Fourth Proportional to 11,402.40, 17,103.60 and 5,562.72

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Solution

The fourth proportional to 11,402.40, 17,103.60 and 5,562.72 is: 8,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.40 : 17,103.60 = 5,562.72 : x
  2. Step 2: Convert to fraction form
    11,402.40/17,103.60 = 5,562.72/x
  3. Step 3: Cross multiply
    11,402.40x = 17,103.60 × 5,562.72
  4. Step 4: Simplify right side
    11,402.40x = 95,142,537.79
  5. Step 5: Solve for x
    x = 95,142,537.79/11,402.40
  6. Step 6: Final answer
    x = 8,344.08

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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.