Home / 11,900.48-17,848.80-4,109.12

Finding the Fourth Proportional to 11,900.48, 17,848.80 and 4,109.12

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Solution

The fourth proportional to 11,900.48, 17,848.80 and 4,109.12 is: 6,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.48 : 17,848.80 = 4,109.12 : x
  2. Step 2: Convert to fraction form
    11,900.48/17,848.80 = 4,109.12/x
  3. Step 3: Cross multiply
    11,900.48x = 17,848.80 × 4,109.12
  4. Step 4: Simplify right side
    11,900.48x = 73,342,861.06
  5. Step 5: Solve for x
    x = 73,342,861.06/11,900.48
  6. Step 6: Final answer
    x = 6,163.02

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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.