Home / 11,402.35-17,103.50-6,339.76

Finding the Fourth Proportional to 11,402.35, 17,103.50 and 6,339.76

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Solution

The fourth proportional to 11,402.35, 17,103.50 and 6,339.76 is: 9,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.35 : 17,103.50 = 6,339.76 : x
  2. Step 2: Convert to fraction form
    11,402.35/17,103.50 = 6,339.76/x
  3. Step 3: Cross multiply
    11,402.35x = 17,103.50 × 6,339.76
  4. Step 4: Simplify right side
    11,402.35x = 108,431,967.94
  5. Step 5: Solve for x
    x = 108,431,967.94/11,402.35
  6. Step 6: Final answer
    x = 9,509.62

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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.