Home / 6,827.65-10,238.04-3,315.45

Finding the Fourth Proportional to 6,827.65, 10,238.04 and 3,315.45

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Solution

The fourth proportional to 6,827.65, 10,238.04 and 3,315.45 is: 4,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.65 : 10,238.04 = 3,315.45 : x
  2. Step 2: Convert to fraction form
    6,827.65/10,238.04 = 3,315.45/x
  3. Step 3: Cross multiply
    6,827.65x = 10,238.04 × 3,315.45
  4. Step 4: Simplify right side
    6,827.65x = 33,943,709.72
  5. Step 5: Solve for x
    x = 33,943,709.72/6,827.65
  6. Step 6: Final answer
    x = 4,971.51

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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.