Home / 8,822.49-13,213.41-5,304.78

Finding the Fourth Proportional to 8,822.49, 13,213.41 and 5,304.78

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Solution

The fourth proportional to 8,822.49, 13,213.41 and 5,304.78 is: 7,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.49 : 13,213.41 = 5,304.78 : x
  2. Step 2: Convert to fraction form
    8,822.49/13,213.41 = 5,304.78/x
  3. Step 3: Cross multiply
    8,822.49x = 13,213.41 × 5,304.78
  4. Step 4: Simplify right side
    8,822.49x = 70,094,233.10
  5. Step 5: Solve for x
    x = 70,094,233.10/8,822.49
  6. Step 6: Final answer
    x = 7,944.95

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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.