Home / 12,502.08-17,250.84-6,912

Finding the Fourth Proportional to 12,502.08, 17,250.84 and 6,912

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Solution

The fourth proportional to 12,502.08, 17,250.84 and 6,912 is: 9,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.08 : 17,250.84 = 6,912 : x
  2. Step 2: Convert to fraction form
    12,502.08/17,250.84 = 6,912/x
  3. Step 3: Cross multiply
    12,502.08x = 17,250.84 × 6,912
  4. Step 4: Simplify right side
    12,502.08x = 119,237,806.08
  5. Step 5: Solve for x
    x = 119,237,806.08/12,502.08
  6. Step 6: Final answer
    x = 9,537.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.