Home / 12,096.80-18,148.08-5,072.96

Finding the Fourth Proportional to 12,096.80, 18,148.08 and 5,072.96

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Solution

The fourth proportional to 12,096.80, 18,148.08 and 5,072.96 is: 7,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.80 : 18,148.08 = 5,072.96 : x
  2. Step 2: Convert to fraction form
    12,096.80/18,148.08 = 5,072.96/x
  3. Step 3: Cross multiply
    12,096.80x = 18,148.08 × 5,072.96
  4. Step 4: Simplify right side
    12,096.80x = 92,064,483.92
  5. Step 5: Solve for x
    x = 92,064,483.92/12,096.80
  6. Step 6: Final answer
    x = 7,610.65

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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.