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Finding the Fourth Proportional to 10,969.52, 15,137.04 and 6,252.92

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Solution

The fourth proportional to 10,969.52, 15,137.04 and 6,252.92 is: 8,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.52 : 15,137.04 = 6,252.92 : x
  2. Step 2: Convert to fraction form
    10,969.52/15,137.04 = 6,252.92/x
  3. Step 3: Cross multiply
    10,969.52x = 15,137.04 × 6,252.92
  4. Step 4: Simplify right side
    10,969.52x = 94,650,700.16
  5. Step 5: Solve for x
    x = 94,650,700.16/10,969.52
  6. Step 6: Final answer
    x = 8,628.52

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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.