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Finding the Fourth Proportional to 12,503.19, 17,253.69 and 6,836.88

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Solution

The fourth proportional to 12,503.19, 17,253.69 and 6,836.88 is: 9,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.19 : 17,253.69 = 6,836.88 : x
  2. Step 2: Convert to fraction form
    12,503.19/17,253.69 = 6,836.88/x
  3. Step 3: Cross multiply
    12,503.19x = 17,253.69 × 6,836.88
  4. Step 4: Simplify right side
    12,503.19x = 117,961,408.09
  5. Step 5: Solve for x
    x = 117,961,408.09/12,503.19
  6. Step 6: Final answer
    x = 9,434.50

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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.