Home / 9,103.18-13,632.90-5,195.74

Finding the Fourth Proportional to 9,103.18, 13,632.90 and 5,195.74

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Solution

The fourth proportional to 9,103.18, 13,632.90 and 5,195.74 is: 7,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.18 : 13,632.90 = 5,195.74 : x
  2. Step 2: Convert to fraction form
    9,103.18/13,632.90 = 5,195.74/x
  3. Step 3: Cross multiply
    9,103.18x = 13,632.90 × 5,195.74
  4. Step 4: Simplify right side
    9,103.18x = 70,833,003.85
  5. Step 5: Solve for x
    x = 70,833,003.85/9,103.18
  6. Step 6: Final answer
    x = 7,781.13

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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.