Home / 10,207.03-15,296.17-8,117.77

Finding the Fourth Proportional to 10,207.03, 15,296.17 and 8,117.77

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Solution

The fourth proportional to 10,207.03, 15,296.17 and 8,117.77 is: 12,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.03 : 15,296.17 = 8,117.77 : x
  2. Step 2: Convert to fraction form
    10,207.03/15,296.17 = 8,117.77/x
  3. Step 3: Cross multiply
    10,207.03x = 15,296.17 × 8,117.77
  4. Step 4: Simplify right side
    10,207.03x = 124,170,789.94
  5. Step 5: Solve for x
    x = 124,170,789.94/10,207.03
  6. Step 6: Final answer
    x = 12,165.22

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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.