Home / 7,056.20-9,736.98-3,869.44

Finding the Fourth Proportional to 7,056.20, 9,736.98 and 3,869.44

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Solution

The fourth proportional to 7,056.20, 9,736.98 and 3,869.44 is: 5,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.20 : 9,736.98 = 3,869.44 : x
  2. Step 2: Convert to fraction form
    7,056.20/9,736.98 = 3,869.44/x
  3. Step 3: Cross multiply
    7,056.20x = 9,736.98 × 3,869.44
  4. Step 4: Simplify right side
    7,056.20x = 37,676,621.04
  5. Step 5: Solve for x
    x = 37,676,621.04/7,056.20
  6. Step 6: Final answer
    x = 5,339.51

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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.