Home / 10,398.20-15,557.94-5,784.44

Finding the Fourth Proportional to 10,398.20, 15,557.94 and 5,784.44

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Solution

The fourth proportional to 10,398.20, 15,557.94 and 5,784.44 is: 8,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.20 : 15,557.94 = 5,784.44 : x
  2. Step 2: Convert to fraction form
    10,398.20/15,557.94 = 5,784.44/x
  3. Step 3: Cross multiply
    10,398.20x = 15,557.94 × 5,784.44
  4. Step 4: Simplify right side
    10,398.20x = 89,993,970.45
  5. Step 5: Solve for x
    x = 89,993,970.45/10,398.20
  6. Step 6: Final answer
    x = 8,654.76

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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.