Home / 9,318.52-13,977.90-5,166.64

Finding the Fourth Proportional to 9,318.52, 13,977.90 and 5,166.64

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Solution

The fourth proportional to 9,318.52, 13,977.90 and 5,166.64 is: 7,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.52 : 13,977.90 = 5,166.64 : x
  2. Step 2: Convert to fraction form
    9,318.52/13,977.90 = 5,166.64/x
  3. Step 3: Cross multiply
    9,318.52x = 13,977.90 × 5,166.64
  4. Step 4: Simplify right side
    9,318.52x = 72,218,775.35
  5. Step 5: Solve for x
    x = 72,218,775.35/9,318.52
  6. Step 6: Final answer
    x = 7,750.03

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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.