Home / 9,911.22-14,855.64-4,293.36

Finding the Fourth Proportional to 9,911.22, 14,855.64 and 4,293.36

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Solution

The fourth proportional to 9,911.22, 14,855.64 and 4,293.36 is: 6,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.22 : 14,855.64 = 4,293.36 : x
  2. Step 2: Convert to fraction form
    9,911.22/14,855.64 = 4,293.36/x
  3. Step 3: Cross multiply
    9,911.22x = 14,855.64 × 4,293.36
  4. Step 4: Simplify right side
    9,911.22x = 63,780,610.55
  5. Step 5: Solve for x
    x = 63,780,610.55/9,911.22
  6. Step 6: Final answer
    x = 6,435.19

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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.