Home / 11,830.20-17,735.68-4,430.52

Finding the Fourth Proportional to 11,830.20, 17,735.68 and 4,430.52

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Solution

The fourth proportional to 11,830.20, 17,735.68 and 4,430.52 is: 6,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.20 : 17,735.68 = 4,430.52 : x
  2. Step 2: Convert to fraction form
    11,830.20/17,735.68 = 4,430.52/x
  3. Step 3: Cross multiply
    11,830.20x = 17,735.68 × 4,430.52
  4. Step 4: Simplify right side
    11,830.20x = 78,578,284.95
  5. Step 5: Solve for x
    x = 78,578,284.95/11,830.20
  6. Step 6: Final answer
    x = 6,642.18

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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.