Home / 6,663.12-9,192.06-3,867

Finding the Fourth Proportional to 6,663.12, 9,192.06 and 3,867

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Solution

The fourth proportional to 6,663.12, 9,192.06 and 3,867 is: 5,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.12 : 9,192.06 = 3,867 : x
  2. Step 2: Convert to fraction form
    6,663.12/9,192.06 = 3,867/x
  3. Step 3: Cross multiply
    6,663.12x = 9,192.06 × 3,867
  4. Step 4: Simplify right side
    6,663.12x = 35,545,696.02
  5. Step 5: Solve for x
    x = 35,545,696.02/6,663.12
  6. Step 6: Final answer
    x = 5,334.69

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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.