Home / 12,963.19-19,439.93-5,563.84

Finding the Fourth Proportional to 12,963.19, 19,439.93 and 5,563.84

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Solution

The fourth proportional to 12,963.19, 19,439.93 and 5,563.84 is: 8,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.19 : 19,439.93 = 5,563.84 : x
  2. Step 2: Convert to fraction form
    12,963.19/19,439.93 = 5,563.84/x
  3. Step 3: Cross multiply
    12,963.19x = 19,439.93 × 5,563.84
  4. Step 4: Simplify right side
    12,963.19x = 108,160,660.13
  5. Step 5: Solve for x
    x = 108,160,660.13/12,963.19
  6. Step 6: Final answer
    x = 8,343.68

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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.