Home / 11,904.18-17,856.45-4,113.06

Finding the Fourth Proportional to 11,904.18, 17,856.45 and 4,113.06

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Solution

The fourth proportional to 11,904.18, 17,856.45 and 4,113.06 is: 6,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.18 : 17,856.45 = 4,113.06 : x
  2. Step 2: Convert to fraction form
    11,904.18/17,856.45 = 4,113.06/x
  3. Step 3: Cross multiply
    11,904.18x = 17,856.45 × 4,113.06
  4. Step 4: Simplify right side
    11,904.18x = 73,444,650.24
  5. Step 5: Solve for x
    x = 73,444,650.24/11,904.18
  6. Step 6: Final answer
    x = 6,169.65

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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.