Home / 7,417.36-11,115.78-4,132

Finding the Fourth Proportional to 7,417.36, 11,115.78 and 4,132

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Solution

The fourth proportional to 7,417.36, 11,115.78 and 4,132 is: 6,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.36 : 11,115.78 = 4,132 : x
  2. Step 2: Convert to fraction form
    7,417.36/11,115.78 = 4,132/x
  3. Step 3: Cross multiply
    7,417.36x = 11,115.78 × 4,132
  4. Step 4: Simplify right side
    7,417.36x = 45,930,402.96
  5. Step 5: Solve for x
    x = 45,930,402.96/7,417.36
  6. Step 6: Final answer
    x = 6,192.28

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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.