Home / 7,156.20-10,730.76-2,994.96

Finding the Fourth Proportional to 7,156.20, 10,730.76 and 2,994.96

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Solution

The fourth proportional to 7,156.20, 10,730.76 and 2,994.96 is: 4,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.20 : 10,730.76 = 2,994.96 : x
  2. Step 2: Convert to fraction form
    7,156.20/10,730.76 = 2,994.96/x
  3. Step 3: Cross multiply
    7,156.20x = 10,730.76 × 2,994.96
  4. Step 4: Simplify right side
    7,156.20x = 32,138,196.97
  5. Step 5: Solve for x
    x = 32,138,196.97/7,156.20
  6. Step 6: Final answer
    x = 4,490.96

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1.5x scale

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.