Home / 7,209.34-9,949.85-4,226.36

Finding the Fourth Proportional to 7,209.34, 9,949.85 and 4,226.36

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Solution

The fourth proportional to 7,209.34, 9,949.85 and 4,226.36 is: 5,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.34 : 9,949.85 = 4,226.36 : x
  2. Step 2: Convert to fraction form
    7,209.34/9,949.85 = 4,226.36/x
  3. Step 3: Cross multiply
    7,209.34x = 9,949.85 × 4,226.36
  4. Step 4: Simplify right side
    7,209.34x = 42,051,648.05
  5. Step 5: Solve for x
    x = 42,051,648.05/7,209.34
  6. Step 6: Final answer
    x = 5,832.94

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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.