Home / 10,097.19-15,146.34-3,857.70

Finding the Fourth Proportional to 10,097.19, 15,146.34 and 3,857.70

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Solution

The fourth proportional to 10,097.19, 15,146.34 and 3,857.70 is: 5,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.19 : 15,146.34 = 3,857.70 : x
  2. Step 2: Convert to fraction form
    10,097.19/15,146.34 = 3,857.70/x
  3. Step 3: Cross multiply
    10,097.19x = 15,146.34 × 3,857.70
  4. Step 4: Simplify right side
    10,097.19x = 58,430,035.82
  5. Step 5: Solve for x
    x = 58,430,035.82/10,097.19
  6. Step 6: Final answer
    x = 5,786.76

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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.