Home / 9,785.13-14,680.73-2,859.63

Finding the Fourth Proportional to 9,785.13, 14,680.73 and 2,859.63

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Solution

The fourth proportional to 9,785.13, 14,680.73 and 2,859.63 is: 4,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.13 : 14,680.73 = 2,859.63 : x
  2. Step 2: Convert to fraction form
    9,785.13/14,680.73 = 2,859.63/x
  3. Step 3: Cross multiply
    9,785.13x = 14,680.73 × 2,859.63
  4. Step 4: Simplify right side
    9,785.13x = 41,981,455.93
  5. Step 5: Solve for x
    x = 41,981,455.93/9,785.13
  6. Step 6: Final answer
    x = 4,290.33

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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.