Home / 10,074.37-15,111.54-2,678.83

Finding the Fourth Proportional to 10,074.37, 15,111.54 and 2,678.83

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Solution

The fourth proportional to 10,074.37, 15,111.54 and 2,678.83 is: 4,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.37 : 15,111.54 = 2,678.83 : x
  2. Step 2: Convert to fraction form
    10,074.37/15,111.54 = 2,678.83/x
  3. Step 3: Cross multiply
    10,074.37x = 15,111.54 × 2,678.83
  4. Step 4: Simplify right side
    10,074.37x = 40,481,195.53
  5. Step 5: Solve for x
    x = 40,481,195.53/10,074.37
  6. Step 6: Final answer
    x = 4,018.24

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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.