Home / 9,217.52-13,824.36-2,978.08

Finding the Fourth Proportional to 9,217.52, 13,824.36 and 2,978.08

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Solution

The fourth proportional to 9,217.52, 13,824.36 and 2,978.08 is: 4,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.52 : 13,824.36 = 2,978.08 : x
  2. Step 2: Convert to fraction form
    9,217.52/13,824.36 = 2,978.08/x
  3. Step 3: Cross multiply
    9,217.52x = 13,824.36 × 2,978.08
  4. Step 4: Simplify right side
    9,217.52x = 41,170,050.03
  5. Step 5: Solve for x
    x = 41,170,050.03/9,217.52
  6. Step 6: Final answer
    x = 4,466.50

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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.