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Finding the Fourth Proportional to 11,696.95, 16,152.03 and 8,528.23

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Solution

The fourth proportional to 11,696.95, 16,152.03 and 8,528.23 is: 11,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.95 : 16,152.03 = 8,528.23 : x
  2. Step 2: Convert to fraction form
    11,696.95/16,152.03 = 8,528.23/x
  3. Step 3: Cross multiply
    11,696.95x = 16,152.03 × 8,528.23
  4. Step 4: Simplify right side
    11,696.95x = 137,748,186.43
  5. Step 5: Solve for x
    x = 137,748,186.43/11,696.95
  6. Step 6: Final answer
    x = 11,776.42

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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.