Home / 11,728.58-17,594.60-3,407.51

Finding the Fourth Proportional to 11,728.58, 17,594.60 and 3,407.51

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Solution

The fourth proportional to 11,728.58, 17,594.60 and 3,407.51 is: 5,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.58 : 17,594.60 = 3,407.51 : x
  2. Step 2: Convert to fraction form
    11,728.58/17,594.60 = 3,407.51/x
  3. Step 3: Cross multiply
    11,728.58x = 17,594.60 × 3,407.51
  4. Step 4: Simplify right side
    11,728.58x = 59,953,879.24
  5. Step 5: Solve for x
    x = 59,953,879.24/11,728.58
  6. Step 6: Final answer
    x = 5,111.77

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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.