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Finding the Fourth Proportional to 12,493.39, 17,240.86 and 6,904.39

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Solution

The fourth proportional to 12,493.39, 17,240.86 and 6,904.39 is: 9,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.39 : 17,240.86 = 6,904.39 : x
  2. Step 2: Convert to fraction form
    12,493.39/17,240.86 = 6,904.39/x
  3. Step 3: Cross multiply
    12,493.39x = 17,240.86 × 6,904.39
  4. Step 4: Simplify right side
    12,493.39x = 119,037,621.38
  5. Step 5: Solve for x
    x = 119,037,621.38/12,493.39
  6. Step 6: Final answer
    x = 9,528.05

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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.