Home / 8,102.36-11,180.62-4,744.74

Finding the Fourth Proportional to 8,102.36, 11,180.62 and 4,744.74

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Solution

The fourth proportional to 8,102.36, 11,180.62 and 4,744.74 is: 6,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.36 : 11,180.62 = 4,744.74 : x
  2. Step 2: Convert to fraction form
    8,102.36/11,180.62 = 4,744.74/x
  3. Step 3: Cross multiply
    8,102.36x = 11,180.62 × 4,744.74
  4. Step 4: Simplify right side
    8,102.36x = 53,049,134.94
  5. Step 5: Solve for x
    x = 53,049,134.94/8,102.36
  6. Step 6: Final answer
    x = 6,547.37

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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.