Home / 10,245.33-15,368.30-4,005.09

Finding the Fourth Proportional to 10,245.33, 15,368.30 and 4,005.09

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Solution

The fourth proportional to 10,245.33, 15,368.30 and 4,005.09 is: 6,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.33 : 15,368.30 = 4,005.09 : x
  2. Step 2: Convert to fraction form
    10,245.33/15,368.30 = 4,005.09/x
  3. Step 3: Cross multiply
    10,245.33x = 15,368.30 × 4,005.09
  4. Step 4: Simplify right side
    10,245.33x = 61,551,424.65
  5. Step 5: Solve for x
    x = 61,551,424.65/10,245.33
  6. Step 6: Final answer
    x = 6,007.75

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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.