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Finding the Fourth Proportional to 12,240.95, 16,894.04 and 6,937.47

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Solution

The fourth proportional to 12,240.95, 16,894.04 and 6,937.47 is: 9,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.95 : 16,894.04 = 6,937.47 : x
  2. Step 2: Convert to fraction form
    12,240.95/16,894.04 = 6,937.47/x
  3. Step 3: Cross multiply
    12,240.95x = 16,894.04 × 6,937.47
  4. Step 4: Simplify right side
    12,240.95x = 117,201,895.68
  5. Step 5: Solve for x
    x = 117,201,895.68/12,240.95
  6. Step 6: Final answer
    x = 9,574.58

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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.