Home / 8,943.92-12,344.79-5,361.00

Finding the Fourth Proportional to 8,943.92, 12,344.79 and 5,361.00

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Solution

The fourth proportional to 8,943.92, 12,344.79 and 5,361.00 is: 7,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.92 : 12,344.79 = 5,361.00 : x
  2. Step 2: Convert to fraction form
    8,943.92/12,344.79 = 5,361.00/x
  3. Step 3: Cross multiply
    8,943.92x = 12,344.79 × 5,361.00
  4. Step 4: Simplify right side
    8,943.92x = 66,180,465.48
  5. Step 5: Solve for x
    x = 66,180,465.48/8,943.92
  6. Step 6: Final answer
    x = 7,399.49

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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.