Home / 11,265.14-16,897.75-4,691.25

Finding the Fourth Proportional to 11,265.14, 16,897.75 and 4,691.25

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Solution

The fourth proportional to 11,265.14, 16,897.75 and 4,691.25 is: 7,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.14 : 16,897.75 = 4,691.25 : x
  2. Step 2: Convert to fraction form
    11,265.14/16,897.75 = 4,691.25/x
  3. Step 3: Cross multiply
    11,265.14x = 16,897.75 × 4,691.25
  4. Step 4: Simplify right side
    11,265.14x = 79,271,557.96
  5. Step 5: Solve for x
    x = 79,271,557.96/11,265.14
  6. Step 6: Final answer
    x = 7,036.89

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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.