Home / 9,781.36-13,496.01-6,600.56

Finding the Fourth Proportional to 9,781.36, 13,496.01 and 6,600.56

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Solution

The fourth proportional to 9,781.36, 13,496.01 and 6,600.56 is: 9,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.36 : 13,496.01 = 6,600.56 : x
  2. Step 2: Convert to fraction form
    9,781.36/13,496.01 = 6,600.56/x
  3. Step 3: Cross multiply
    9,781.36x = 13,496.01 × 6,600.56
  4. Step 4: Simplify right side
    9,781.36x = 89,081,223.77
  5. Step 5: Solve for x
    x = 89,081,223.77/9,781.36
  6. Step 6: Final answer
    x = 9,107.24

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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.