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Finding the Fourth Proportional to 8,586.61, 11,850.95 and 5,895.62

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Solution

The fourth proportional to 8,586.61, 11,850.95 and 5,895.62 is: 8,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.61 : 11,850.95 = 5,895.62 : x
  2. Step 2: Convert to fraction form
    8,586.61/11,850.95 = 5,895.62/x
  3. Step 3: Cross multiply
    8,586.61x = 11,850.95 × 5,895.62
  4. Step 4: Simplify right side
    8,586.61x = 69,868,731.26
  5. Step 5: Solve for x
    x = 69,868,731.26/8,586.61
  6. Step 6: Final answer
    x = 8,136.94

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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.