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Finding the Fourth Proportional to 12,477.11, 17,194.64 and 8,934.17

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Solution

The fourth proportional to 12,477.11, 17,194.64 and 8,934.17 is: 12,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.11 : 17,194.64 = 8,934.17 : x
  2. Step 2: Convert to fraction form
    12,477.11/17,194.64 = 8,934.17/x
  3. Step 3: Cross multiply
    12,477.11x = 17,194.64 × 8,934.17
  4. Step 4: Simplify right side
    12,477.11x = 153,619,706.20
  5. Step 5: Solve for x
    x = 153,619,706.20/12,477.11
  6. Step 6: Final answer
    x = 12,312.13

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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.