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Finding the Fourth Proportional to 7,951.90, 10,973.82 and 4,367.02

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Solution

The fourth proportional to 7,951.90, 10,973.82 and 4,367.02 is: 6,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.90 : 10,973.82 = 4,367.02 : x
  2. Step 2: Convert to fraction form
    7,951.90/10,973.82 = 4,367.02/x
  3. Step 3: Cross multiply
    7,951.90x = 10,973.82 × 4,367.02
  4. Step 4: Simplify right side
    7,951.90x = 47,922,891.42
  5. Step 5: Solve for x
    x = 47,922,891.42/7,951.90
  6. Step 6: Final answer
    x = 6,026.60

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1.5x scale

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.