Home / 12,384.10-17,089.68-8,853.22

Finding the Fourth Proportional to 12,384.10, 17,089.68 and 8,853.22

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Solution

The fourth proportional to 12,384.10, 17,089.68 and 8,853.22 is: 12,217.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.10 : 17,089.68 = 8,853.22 : x
  2. Step 2: Convert to fraction form
    12,384.10/17,089.68 = 8,853.22/x
  3. Step 3: Cross multiply
    12,384.10x = 17,089.68 × 8,853.22
  4. Step 4: Simplify right side
    12,384.10x = 151,298,696.77
  5. Step 5: Solve for x
    x = 151,298,696.77/12,384.10
  6. Step 6: Final answer
    x = 12,217.17

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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.