Home / 11,145.74-16,702.19-4,900.03

Finding the Fourth Proportional to 11,145.74, 16,702.19 and 4,900.03

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Solution

The fourth proportional to 11,145.74, 16,702.19 and 4,900.03 is: 7,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.74 : 16,702.19 = 4,900.03 : x
  2. Step 2: Convert to fraction form
    11,145.74/16,702.19 = 4,900.03/x
  3. Step 3: Cross multiply
    11,145.74x = 16,702.19 × 4,900.03
  4. Step 4: Simplify right side
    11,145.74x = 81,841,184.19
  5. Step 5: Solve for x
    x = 81,841,184.19/11,145.74
  6. Step 6: Final answer
    x = 7,342.83

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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.