Home / 12,816.98-17,684.08-7,508.94

Finding the Fourth Proportional to 12,816.98, 17,684.08 and 7,508.94

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Solution

The fourth proportional to 12,816.98, 17,684.08 and 7,508.94 is: 10,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.98 : 17,684.08 = 7,508.94 : x
  2. Step 2: Convert to fraction form
    12,816.98/17,684.08 = 7,508.94/x
  3. Step 3: Cross multiply
    12,816.98x = 17,684.08 × 7,508.94
  4. Step 4: Simplify right side
    12,816.98x = 132,788,695.68
  5. Step 5: Solve for x
    x = 132,788,695.68/12,816.98
  6. Step 6: Final answer
    x = 10,360.37

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1.5x scale

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.