Home / 10,989.36-16,474.28-4,062.24

Finding the Fourth Proportional to 10,989.36, 16,474.28 and 4,062.24

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Solution

The fourth proportional to 10,989.36, 16,474.28 and 4,062.24 is: 6,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.36 : 16,474.28 = 4,062.24 : x
  2. Step 2: Convert to fraction form
    10,989.36/16,474.28 = 4,062.24/x
  3. Step 3: Cross multiply
    10,989.36x = 16,474.28 × 4,062.24
  4. Step 4: Simplify right side
    10,989.36x = 66,922,479.19
  5. Step 5: Solve for x
    x = 66,922,479.19/10,989.36
  6. Step 6: Final answer
    x = 6,089.75

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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.