Home / 11,739.65-17,521.27-10,151.37

Finding the Fourth Proportional to 11,739.65, 17,521.27 and 10,151.37

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Solution

The fourth proportional to 11,739.65, 17,521.27 and 10,151.37 is: 15,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.65 : 17,521.27 = 10,151.37 : x
  2. Step 2: Convert to fraction form
    11,739.65/17,521.27 = 10,151.37/x
  3. Step 3: Cross multiply
    11,739.65x = 17,521.27 × 10,151.37
  4. Step 4: Simplify right side
    11,739.65x = 177,864,894.64
  5. Step 5: Solve for x
    x = 177,864,894.64/11,739.65
  6. Step 6: Final answer
    x = 15,150.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.