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Finding the Fourth Proportional to 11,410.63, 15,746.79 and 6,694.99

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Solution

The fourth proportional to 11,410.63, 15,746.79 and 6,694.99 is: 9,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.63 : 15,746.79 = 6,694.99 : x
  2. Step 2: Convert to fraction form
    11,410.63/15,746.79 = 6,694.99/x
  3. Step 3: Cross multiply
    11,410.63x = 15,746.79 × 6,694.99
  4. Step 4: Simplify right side
    11,410.63x = 105,424,601.58
  5. Step 5: Solve for x
    x = 105,424,601.58/11,410.63
  6. Step 6: Final answer
    x = 9,239.16

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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.