Home / 10,558.24-15,815.40-5,016.40

Finding the Fourth Proportional to 10,558.24, 15,815.40 and 5,016.40

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Solution

The fourth proportional to 10,558.24, 15,815.40 and 5,016.40 is: 7,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.24 : 15,815.40 = 5,016.40 : x
  2. Step 2: Convert to fraction form
    10,558.24/15,815.40 = 5,016.40/x
  3. Step 3: Cross multiply
    10,558.24x = 15,815.40 × 5,016.40
  4. Step 4: Simplify right side
    10,558.24x = 79,336,372.56
  5. Step 5: Solve for x
    x = 79,336,372.56/10,558.24
  6. Step 6: Final answer
    x = 7,514.17

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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.