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Finding the Fourth Proportional to 8,656.38, 11,946.03 and 5,299.14

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Solution

The fourth proportional to 8,656.38, 11,946.03 and 5,299.14 is: 7,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.38 : 11,946.03 = 5,299.14 : x
  2. Step 2: Convert to fraction form
    8,656.38/11,946.03 = 5,299.14/x
  3. Step 3: Cross multiply
    8,656.38x = 11,946.03 × 5,299.14
  4. Step 4: Simplify right side
    8,656.38x = 63,303,685.41
  5. Step 5: Solve for x
    x = 63,303,685.41/8,656.38
  6. Step 6: Final answer
    x = 7,312.95

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Half scale
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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.