Home / 9,107.52-13,662.09-4,723.80

Finding the Fourth Proportional to 9,107.52, 13,662.09 and 4,723.80

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Solution

The fourth proportional to 9,107.52, 13,662.09 and 4,723.80 is: 7,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.52 : 13,662.09 = 4,723.80 : x
  2. Step 2: Convert to fraction form
    9,107.52/13,662.09 = 4,723.80/x
  3. Step 3: Cross multiply
    9,107.52x = 13,662.09 × 4,723.80
  4. Step 4: Simplify right side
    9,107.52x = 64,536,980.74
  5. Step 5: Solve for x
    x = 64,536,980.74/9,107.52
  6. Step 6: Final answer
    x = 7,086.12

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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.