Home / 11,821.24-16,306.09-7,037.99

Finding the Fourth Proportional to 11,821.24, 16,306.09 and 7,037.99

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Solution

The fourth proportional to 11,821.24, 16,306.09 and 7,037.99 is: 9,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.24 : 16,306.09 = 7,037.99 : x
  2. Step 2: Convert to fraction form
    11,821.24/16,306.09 = 7,037.99/x
  3. Step 3: Cross multiply
    11,821.24x = 16,306.09 × 7,037.99
  4. Step 4: Simplify right side
    11,821.24x = 114,762,098.36
  5. Step 5: Solve for x
    x = 114,762,098.36/11,821.24
  6. Step 6: Final answer
    x = 9,708.13

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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.