Home / 11,843.30-16,343.42-6,537.74

Finding the Fourth Proportional to 11,843.30, 16,343.42 and 6,537.74

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Solution

The fourth proportional to 11,843.30, 16,343.42 and 6,537.74 is: 9,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.30 : 16,343.42 = 6,537.74 : x
  2. Step 2: Convert to fraction form
    11,843.30/16,343.42 = 6,537.74/x
  3. Step 3: Cross multiply
    11,843.30x = 16,343.42 × 6,537.74
  4. Step 4: Simplify right side
    11,843.30x = 106,849,030.67
  5. Step 5: Solve for x
    x = 106,849,030.67/11,843.30
  6. Step 6: Final answer
    x = 9,021.90

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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.