Home / 8,950.52-13,422.54-3,405.36

Finding the Fourth Proportional to 8,950.52, 13,422.54 and 3,405.36

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Solution

The fourth proportional to 8,950.52, 13,422.54 and 3,405.36 is: 5,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.52 : 13,422.54 = 3,405.36 : x
  2. Step 2: Convert to fraction form
    8,950.52/13,422.54 = 3,405.36/x
  3. Step 3: Cross multiply
    8,950.52x = 13,422.54 × 3,405.36
  4. Step 4: Simplify right side
    8,950.52x = 45,708,580.81
  5. Step 5: Solve for x
    x = 45,708,580.81/8,950.52
  6. Step 6: Final answer
    x = 5,106.81

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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.