Home / 10,621.58-15,934.90-3,226.46

Finding the Fourth Proportional to 10,621.58, 15,934.90 and 3,226.46

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Solution

The fourth proportional to 10,621.58, 15,934.90 and 3,226.46 is: 4,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.58 : 15,934.90 = 3,226.46 : x
  2. Step 2: Convert to fraction form
    10,621.58/15,934.90 = 3,226.46/x
  3. Step 3: Cross multiply
    10,621.58x = 15,934.90 × 3,226.46
  4. Step 4: Simplify right side
    10,621.58x = 51,413,317.45
  5. Step 5: Solve for x
    x = 51,413,317.45/10,621.58
  6. Step 6: Final answer
    x = 4,840.46

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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.