Home / 11,038.76-16,562.24-5,118.52

Finding the Fourth Proportional to 11,038.76, 16,562.24 and 5,118.52

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Solution

The fourth proportional to 11,038.76, 16,562.24 and 5,118.52 is: 7,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.76 : 16,562.24 = 5,118.52 : x
  2. Step 2: Convert to fraction form
    11,038.76/16,562.24 = 5,118.52/x
  3. Step 3: Cross multiply
    11,038.76x = 16,562.24 × 5,118.52
  4. Step 4: Simplify right side
    11,038.76x = 84,774,156.68
  5. Step 5: Solve for x
    x = 84,774,156.68/11,038.76
  6. Step 6: Final answer
    x = 7,679.68

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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.