Home / 10,645.42-15,964.08-3,623.62

Finding the Fourth Proportional to 10,645.42, 15,964.08 and 3,623.62

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Solution

The fourth proportional to 10,645.42, 15,964.08 and 3,623.62 is: 5,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.42 : 15,964.08 = 3,623.62 : x
  2. Step 2: Convert to fraction form
    10,645.42/15,964.08 = 3,623.62/x
  3. Step 3: Cross multiply
    10,645.42x = 15,964.08 × 3,623.62
  4. Step 4: Simplify right side
    10,645.42x = 57,847,759.57
  5. Step 5: Solve for x
    x = 57,847,759.57/10,645.42
  6. Step 6: Final answer
    x = 5,434.05

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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.