Home / 7,790.72-11,686.46-2,243.93

Finding the Fourth Proportional to 7,790.72, 11,686.46 and 2,243.93

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Solution

The fourth proportional to 7,790.72, 11,686.46 and 2,243.93 is: 3,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.72 : 11,686.46 = 2,243.93 : x
  2. Step 2: Convert to fraction form
    7,790.72/11,686.46 = 2,243.93/x
  3. Step 3: Cross multiply
    7,790.72x = 11,686.46 × 2,243.93
  4. Step 4: Simplify right side
    7,790.72x = 26,223,528.54
  5. Step 5: Solve for x
    x = 26,223,528.54/7,790.72
  6. Step 6: Final answer
    x = 3,366.00

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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.