Home / 8,029.79-11,076.68-5,643.43

Finding the Fourth Proportional to 8,029.79, 11,076.68 and 5,643.43

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Solution

The fourth proportional to 8,029.79, 11,076.68 and 5,643.43 is: 7,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.79 : 11,076.68 = 5,643.43 : x
  2. Step 2: Convert to fraction form
    8,029.79/11,076.68 = 5,643.43/x
  3. Step 3: Cross multiply
    8,029.79x = 11,076.68 × 5,643.43
  4. Step 4: Simplify right side
    8,029.79x = 62,510,468.21
  5. Step 5: Solve for x
    x = 62,510,468.21/8,029.79
  6. Step 6: Final answer
    x = 7,784.82

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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.