Home / 10,087.47-15,130.76-3,067.65

Finding the Fourth Proportional to 10,087.47, 15,130.76 and 3,067.65

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Solution

The fourth proportional to 10,087.47, 15,130.76 and 3,067.65 is: 4,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.47 : 15,130.76 = 3,067.65 : x
  2. Step 2: Convert to fraction form
    10,087.47/15,130.76 = 3,067.65/x
  3. Step 3: Cross multiply
    10,087.47x = 15,130.76 × 3,067.65
  4. Step 4: Simplify right side
    10,087.47x = 46,415,860.58
  5. Step 5: Solve for x
    x = 46,415,860.58/10,087.47
  6. Step 6: Final answer
    x = 4,601.34

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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.