Home / 9,899.26-13,660.33-5,650.51

Finding the Fourth Proportional to 9,899.26, 13,660.33 and 5,650.51

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Solution

The fourth proportional to 9,899.26, 13,660.33 and 5,650.51 is: 7,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.26 : 13,660.33 = 5,650.51 : x
  2. Step 2: Convert to fraction form
    9,899.26/13,660.33 = 5,650.51/x
  3. Step 3: Cross multiply
    9,899.26x = 13,660.33 × 5,650.51
  4. Step 4: Simplify right side
    9,899.26x = 77,187,831.27
  5. Step 5: Solve for x
    x = 77,187,831.27/9,899.26
  6. Step 6: Final answer
    x = 7,797.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.