Home / 11,173.47-16,764.09-7,440.24

Finding the Fourth Proportional to 11,173.47, 16,764.09 and 7,440.24

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Solution

The fourth proportional to 11,173.47, 16,764.09 and 7,440.24 is: 11,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.47 : 16,764.09 = 7,440.24 : x
  2. Step 2: Convert to fraction form
    11,173.47/16,764.09 = 7,440.24/x
  3. Step 3: Cross multiply
    11,173.47x = 16,764.09 × 7,440.24
  4. Step 4: Simplify right side
    11,173.47x = 124,728,852.98
  5. Step 5: Solve for x
    x = 124,728,852.98/11,173.47
  6. Step 6: Final answer
    x = 11,162.95

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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.