Home / 13,203.42-19,806.84-5,410.38

Finding the Fourth Proportional to 13,203.42, 19,806.84 and 5,410.38

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Solution

The fourth proportional to 13,203.42, 19,806.84 and 5,410.38 is: 8,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.42 : 19,806.84 = 5,410.38 : x
  2. Step 2: Convert to fraction form
    13,203.42/19,806.84 = 5,410.38/x
  3. Step 3: Cross multiply
    13,203.42x = 19,806.84 × 5,410.38
  4. Step 4: Simplify right side
    13,203.42x = 107,162,531.00
  5. Step 5: Solve for x
    x = 107,162,531.00/13,203.42
  6. Step 6: Final answer
    x = 8,116.27

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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.