Home / 9,144.90-13,709.16-3,300.15

Finding the Fourth Proportional to 9,144.90, 13,709.16 and 3,300.15

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Solution

The fourth proportional to 9,144.90, 13,709.16 and 3,300.15 is: 4,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.90 : 13,709.16 = 3,300.15 : x
  2. Step 2: Convert to fraction form
    9,144.90/13,709.16 = 3,300.15/x
  3. Step 3: Cross multiply
    9,144.90x = 13,709.16 × 3,300.15
  4. Step 4: Simplify right side
    9,144.90x = 45,242,284.37
  5. Step 5: Solve for x
    x = 45,242,284.37/9,144.90
  6. Step 6: Final answer
    x = 4,947.27

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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.