Home / 13,099.64-18,072.15-8,062.34

Finding the Fourth Proportional to 13,099.64, 18,072.15 and 8,062.34

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Solution

The fourth proportional to 13,099.64, 18,072.15 and 8,062.34 is: 11,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.64 : 18,072.15 = 8,062.34 : x
  2. Step 2: Convert to fraction form
    13,099.64/18,072.15 = 8,062.34/x
  3. Step 3: Cross multiply
    13,099.64x = 18,072.15 × 8,062.34
  4. Step 4: Simplify right side
    13,099.64x = 145,703,817.83
  5. Step 5: Solve for x
    x = 145,703,817.83/13,099.64
  6. Step 6: Final answer
    x = 11,122.73

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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.