Home / 12,583.17-17,366.46-8,119.91

Finding the Fourth Proportional to 12,583.17, 17,366.46 and 8,119.91

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Solution

The fourth proportional to 12,583.17, 17,366.46 and 8,119.91 is: 11,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.17 : 17,366.46 = 8,119.91 : x
  2. Step 2: Convert to fraction form
    12,583.17/17,366.46 = 8,119.91/x
  3. Step 3: Cross multiply
    12,583.17x = 17,366.46 × 8,119.91
  4. Step 4: Simplify right side
    12,583.17x = 141,014,092.22
  5. Step 5: Solve for x
    x = 141,014,092.22/12,583.17
  6. Step 6: Final answer
    x = 11,206.56

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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.