Home / 10,554.39-15,827.09-3,158.73

Finding the Fourth Proportional to 10,554.39, 15,827.09 and 3,158.73

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Solution

The fourth proportional to 10,554.39, 15,827.09 and 3,158.73 is: 4,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.39 : 15,827.09 = 3,158.73 : x
  2. Step 2: Convert to fraction form
    10,554.39/15,827.09 = 3,158.73/x
  3. Step 3: Cross multiply
    10,554.39x = 15,827.09 × 3,158.73
  4. Step 4: Simplify right side
    10,554.39x = 49,993,488.20
  5. Step 5: Solve for x
    x = 49,993,488.20/10,554.39
  6. Step 6: Final answer
    x = 4,736.75

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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.