Home / 8,145.14-11,240.34-4,419.14

Finding the Fourth Proportional to 8,145.14, 11,240.34 and 4,419.14

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Solution

The fourth proportional to 8,145.14, 11,240.34 and 4,419.14 is: 6,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.14 : 11,240.34 = 4,419.14 : x
  2. Step 2: Convert to fraction form
    8,145.14/11,240.34 = 4,419.14/x
  3. Step 3: Cross multiply
    8,145.14x = 11,240.34 × 4,419.14
  4. Step 4: Simplify right side
    8,145.14x = 49,672,636.11
  5. Step 5: Solve for x
    x = 49,672,636.11/8,145.14
  6. Step 6: Final answer
    x = 6,098.44

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.