Home / 10,078.26-15,106.44-4,228.02

Finding the Fourth Proportional to 10,078.26, 15,106.44 and 4,228.02

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Solution

The fourth proportional to 10,078.26, 15,106.44 and 4,228.02 is: 6,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.26 : 15,106.44 = 4,228.02 : x
  2. Step 2: Convert to fraction form
    10,078.26/15,106.44 = 4,228.02/x
  3. Step 3: Cross multiply
    10,078.26x = 15,106.44 × 4,228.02
  4. Step 4: Simplify right side
    10,078.26x = 63,870,330.45
  5. Step 5: Solve for x
    x = 63,870,330.45/10,078.26
  6. Step 6: Final answer
    x = 6,337.44

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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.