Home / 10,097.16-15,149.14-5,165.48

Finding the Fourth Proportional to 10,097.16, 15,149.14 and 5,165.48

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Solution

The fourth proportional to 10,097.16, 15,149.14 and 5,165.48 is: 7,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.16 : 15,149.14 = 5,165.48 : x
  2. Step 2: Convert to fraction form
    10,097.16/15,149.14 = 5,165.48/x
  3. Step 3: Cross multiply
    10,097.16x = 15,149.14 × 5,165.48
  4. Step 4: Simplify right side
    10,097.16x = 78,252,579.69
  5. Step 5: Solve for x
    x = 78,252,579.69/10,097.16
  6. Step 6: Final answer
    x = 7,749.96

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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.