Home / 10,109.14-15,165.26-3,087.52

Finding the Fourth Proportional to 10,109.14, 15,165.26 and 3,087.52

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Solution

The fourth proportional to 10,109.14, 15,165.26 and 3,087.52 is: 4,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.14 : 15,165.26 = 3,087.52 : x
  2. Step 2: Convert to fraction form
    10,109.14/15,165.26 = 3,087.52/x
  3. Step 3: Cross multiply
    10,109.14x = 15,165.26 × 3,087.52
  4. Step 4: Simplify right side
    10,109.14x = 46,823,043.56
  5. Step 5: Solve for x
    x = 46,823,043.56/10,109.14
  6. Step 6: Final answer
    x = 4,631.75

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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.