Home / 9,052.11-13,580.28-2,811.80

Finding the Fourth Proportional to 9,052.11, 13,580.28 and 2,811.80

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Solution

The fourth proportional to 9,052.11, 13,580.28 and 2,811.80 is: 4,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.11 : 13,580.28 = 2,811.80 : x
  2. Step 2: Convert to fraction form
    9,052.11/13,580.28 = 2,811.80/x
  3. Step 3: Cross multiply
    9,052.11x = 13,580.28 × 2,811.80
  4. Step 4: Simplify right side
    9,052.11x = 38,185,031.30
  5. Step 5: Solve for x
    x = 38,185,031.30/9,052.11
  6. Step 6: Final answer
    x = 4,218.36

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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.