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Finding the Fourth Proportional to 11,594.10, 15,994.89 and 7,819.70

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Solution

The fourth proportional to 11,594.10, 15,994.89 and 7,819.70 is: 10,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,594.10 : 15,994.89 = 7,819.70 : x
  2. Step 2: Convert to fraction form
    11,594.10/15,994.89 = 7,819.70/x
  3. Step 3: Cross multiply
    11,594.10x = 15,994.89 × 7,819.70
  4. Step 4: Simplify right side
    11,594.10x = 125,075,241.33
  5. Step 5: Solve for x
    x = 125,075,241.33/11,594.10
  6. Step 6: Final answer
    x = 10,787.84

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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.