Home / 11,006.12-16,509.18-4,761.02

Finding the Fourth Proportional to 11,006.12, 16,509.18 and 4,761.02

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Solution

The fourth proportional to 11,006.12, 16,509.18 and 4,761.02 is: 7,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.12 : 16,509.18 = 4,761.02 : x
  2. Step 2: Convert to fraction form
    11,006.12/16,509.18 = 4,761.02/x
  3. Step 3: Cross multiply
    11,006.12x = 16,509.18 × 4,761.02
  4. Step 4: Simplify right side
    11,006.12x = 78,600,536.16
  5. Step 5: Solve for x
    x = 78,600,536.16/11,006.12
  6. Step 6: Final answer
    x = 7,141.53

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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.