Home / 11,939.40-17,897.09-4,924.53

Finding the Fourth Proportional to 11,939.40, 17,897.09 and 4,924.53

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Solution

The fourth proportional to 11,939.40, 17,897.09 and 4,924.53 is: 7,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.40 : 17,897.09 = 4,924.53 : x
  2. Step 2: Convert to fraction form
    11,939.40/17,897.09 = 4,924.53/x
  3. Step 3: Cross multiply
    11,939.40x = 17,897.09 × 4,924.53
  4. Step 4: Simplify right side
    11,939.40x = 88,134,732.00
  5. Step 5: Solve for x
    x = 88,134,732.00/11,939.40
  6. Step 6: Final answer
    x = 7,381.84

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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.