Home / 11,585.28-17,378.73-4,659.78

Finding the Fourth Proportional to 11,585.28, 17,378.73 and 4,659.78

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Solution

The fourth proportional to 11,585.28, 17,378.73 and 4,659.78 is: 6,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.28 : 17,378.73 = 4,659.78 : x
  2. Step 2: Convert to fraction form
    11,585.28/17,378.73 = 4,659.78/x
  3. Step 3: Cross multiply
    11,585.28x = 17,378.73 × 4,659.78
  4. Step 4: Simplify right side
    11,585.28x = 80,981,058.48
  5. Step 5: Solve for x
    x = 80,981,058.48/11,585.28
  6. Step 6: Final answer
    x = 6,990.00

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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.