Home / 7,110.52-9,812.32-3,966.64

Finding the Fourth Proportional to 7,110.52, 9,812.32 and 3,966.64

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Solution

The fourth proportional to 7,110.52, 9,812.32 and 3,966.64 is: 5,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.52 : 9,812.32 = 3,966.64 : x
  2. Step 2: Convert to fraction form
    7,110.52/9,812.32 = 3,966.64/x
  3. Step 3: Cross multiply
    7,110.52x = 9,812.32 × 3,966.64
  4. Step 4: Simplify right side
    7,110.52x = 38,921,941.00
  5. Step 5: Solve for x
    x = 38,921,941.00/7,110.52
  6. Step 6: Final answer
    x = 5,473.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.