Home / 11,254.21-16,881.10-3,858.72

Finding the Fourth Proportional to 11,254.21, 16,881.10 and 3,858.72

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Solution

The fourth proportional to 11,254.21, 16,881.10 and 3,858.72 is: 5,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.21 : 16,881.10 = 3,858.72 : x
  2. Step 2: Convert to fraction form
    11,254.21/16,881.10 = 3,858.72/x
  3. Step 3: Cross multiply
    11,254.21x = 16,881.10 × 3,858.72
  4. Step 4: Simplify right side
    11,254.21x = 65,139,438.19
  5. Step 5: Solve for x
    x = 65,139,438.19/11,254.21
  6. Step 6: Final answer
    x = 5,788.01

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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.