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Finding the Fourth Proportional to 12,507.41, 18,771.55 and 6,586.41

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Solution

The fourth proportional to 12,507.41, 18,771.55 and 6,586.41 is: 9,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.41 : 18,771.55 = 6,586.41 : x
  2. Step 2: Convert to fraction form
    12,507.41/18,771.55 = 6,586.41/x
  3. Step 3: Cross multiply
    12,507.41x = 18,771.55 × 6,586.41
  4. Step 4: Simplify right side
    12,507.41x = 123,637,178.56
  5. Step 5: Solve for x
    x = 123,637,178.56/12,507.41
  6. Step 6: Final answer
    x = 9,885.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.