Home / 11,720.36-17,584.58-7,332.59

Finding the Fourth Proportional to 11,720.36, 17,584.58 and 7,332.59

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Solution

The fourth proportional to 11,720.36, 17,584.58 and 7,332.59 is: 11,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.36 : 17,584.58 = 7,332.59 : x
  2. Step 2: Convert to fraction form
    11,720.36/17,584.58 = 7,332.59/x
  3. Step 3: Cross multiply
    11,720.36x = 17,584.58 × 7,332.59
  4. Step 4: Simplify right side
    11,720.36x = 128,940,445.87
  5. Step 5: Solve for x
    x = 128,940,445.87/11,720.36
  6. Step 6: Final answer
    x = 11,001.41

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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.