Home / 11,123.30-16,686.12-4,548.44

Finding the Fourth Proportional to 11,123.30, 16,686.12 and 4,548.44

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Solution

The fourth proportional to 11,123.30, 16,686.12 and 4,548.44 is: 6,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.30 : 16,686.12 = 4,548.44 : x
  2. Step 2: Convert to fraction form
    11,123.30/16,686.12 = 4,548.44/x
  3. Step 3: Cross multiply
    11,123.30x = 16,686.12 × 4,548.44
  4. Step 4: Simplify right side
    11,123.30x = 75,895,815.65
  5. Step 5: Solve for x
    x = 75,895,815.65/11,123.30
  6. Step 6: Final answer
    x = 6,823.14

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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.