Home / 8,116.07-11,200.65-4,972.86

Finding the Fourth Proportional to 8,116.07, 11,200.65 and 4,972.86

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Solution

The fourth proportional to 8,116.07, 11,200.65 and 4,972.86 is: 6,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.07 : 11,200.65 = 4,972.86 : x
  2. Step 2: Convert to fraction form
    8,116.07/11,200.65 = 4,972.86/x
  3. Step 3: Cross multiply
    8,116.07x = 11,200.65 × 4,972.86
  4. Step 4: Simplify right side
    8,116.07x = 55,699,264.36
  5. Step 5: Solve for x
    x = 55,699,264.36/8,116.07
  6. Step 6: Final answer
    x = 6,862.84

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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.