Home / 12,558.33-18,817.53-6,635.01

Finding the Fourth Proportional to 12,558.33, 18,817.53 and 6,635.01

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Solution

The fourth proportional to 12,558.33, 18,817.53 and 6,635.01 is: 9,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.33 : 18,817.53 = 6,635.01 : x
  2. Step 2: Convert to fraction form
    12,558.33/18,817.53 = 6,635.01/x
  3. Step 3: Cross multiply
    12,558.33x = 18,817.53 × 6,635.01
  4. Step 4: Simplify right side
    12,558.33x = 124,854,499.73
  5. Step 5: Solve for x
    x = 124,854,499.73/12,558.33
  6. Step 6: Final answer
    x = 9,941.97

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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.