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Finding the Fourth Proportional to 7,959.14, 10,983.56 and 4,374.14

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Solution

The fourth proportional to 7,959.14, 10,983.56 and 4,374.14 is: 6,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.14 : 10,983.56 = 4,374.14 : x
  2. Step 2: Convert to fraction form
    7,959.14/10,983.56 = 4,374.14/x
  3. Step 3: Cross multiply
    7,959.14x = 10,983.56 × 4,374.14
  4. Step 4: Simplify right side
    7,959.14x = 48,043,552.35
  5. Step 5: Solve for x
    x = 48,043,552.35/7,959.14
  6. Step 6: Final answer
    x = 6,036.28

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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.