Home / 8,119.72-11,204.68-4,582.45

Finding the Fourth Proportional to 8,119.72, 11,204.68 and 4,582.45

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Solution

The fourth proportional to 8,119.72, 11,204.68 and 4,582.45 is: 6,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.72 : 11,204.68 = 4,582.45 : x
  2. Step 2: Convert to fraction form
    8,119.72/11,204.68 = 4,582.45/x
  3. Step 3: Cross multiply
    8,119.72x = 11,204.68 × 4,582.45
  4. Step 4: Simplify right side
    8,119.72x = 51,344,806.93
  5. Step 5: Solve for x
    x = 51,344,806.93/8,119.72
  6. Step 6: Final answer
    x = 6,323.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.