Home / 10,282.05-15,423.17-3,703.64

Finding the Fourth Proportional to 10,282.05, 15,423.17 and 3,703.64

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Solution

The fourth proportional to 10,282.05, 15,423.17 and 3,703.64 is: 5,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.05 : 15,423.17 = 3,703.64 : x
  2. Step 2: Convert to fraction form
    10,282.05/15,423.17 = 3,703.64/x
  3. Step 3: Cross multiply
    10,282.05x = 15,423.17 × 3,703.64
  4. Step 4: Simplify right side
    10,282.05x = 57,121,773.70
  5. Step 5: Solve for x
    x = 57,121,773.70/10,282.05
  6. Step 6: Final answer
    x = 5,555.48

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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.