Home / 11,640.24-16,060.68-7,390.98

Finding the Fourth Proportional to 11,640.24, 16,060.68 and 7,390.98

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Solution

The fourth proportional to 11,640.24, 16,060.68 and 7,390.98 is: 10,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.24 : 16,060.68 = 7,390.98 : x
  2. Step 2: Convert to fraction form
    11,640.24/16,060.68 = 7,390.98/x
  3. Step 3: Cross multiply
    11,640.24x = 16,060.68 × 7,390.98
  4. Step 4: Simplify right side
    11,640.24x = 118,704,164.67
  5. Step 5: Solve for x
    x = 118,704,164.67/11,640.24
  6. Step 6: Final answer
    x = 10,197.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.