Home / 11,709.36-17,557.56-4,782.24

Finding the Fourth Proportional to 11,709.36, 17,557.56 and 4,782.24

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Solution

The fourth proportional to 11,709.36, 17,557.56 and 4,782.24 is: 7,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.36 : 17,557.56 = 4,782.24 : x
  2. Step 2: Convert to fraction form
    11,709.36/17,557.56 = 4,782.24/x
  3. Step 3: Cross multiply
    11,709.36x = 17,557.56 × 4,782.24
  4. Step 4: Simplify right side
    11,709.36x = 83,964,465.73
  5. Step 5: Solve for x
    x = 83,964,465.73/11,709.36
  6. Step 6: Final answer
    x = 7,170.71

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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.