Home / 7,563.45-11,345.37-2,016.78

Finding the Fourth Proportional to 7,563.45, 11,345.37 and 2,016.78

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Solution

The fourth proportional to 7,563.45, 11,345.37 and 2,016.78 is: 3,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.45 : 11,345.37 = 2,016.78 : x
  2. Step 2: Convert to fraction form
    7,563.45/11,345.37 = 2,016.78/x
  3. Step 3: Cross multiply
    7,563.45x = 11,345.37 × 2,016.78
  4. Step 4: Simplify right side
    7,563.45x = 22,881,115.31
  5. Step 5: Solve for x
    x = 22,881,115.31/7,563.45
  6. Step 6: Final answer
    x = 3,025.22

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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.