Home / 7,976.16-11,963.28-4,646.28

Finding the Fourth Proportional to 7,976.16, 11,963.28 and 4,646.28

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Solution

The fourth proportional to 7,976.16, 11,963.28 and 4,646.28 is: 6,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.16 : 11,963.28 = 4,646.28 : x
  2. Step 2: Convert to fraction form
    7,976.16/11,963.28 = 4,646.28/x
  3. Step 3: Cross multiply
    7,976.16x = 11,963.28 × 4,646.28
  4. Step 4: Simplify right side
    7,976.16x = 55,584,748.60
  5. Step 5: Solve for x
    x = 55,584,748.60/7,976.16
  6. Step 6: Final answer
    x = 6,968.86

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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.