Home / 10,399.17-15,599.55-3,003.69

Finding the Fourth Proportional to 10,399.17, 15,599.55 and 3,003.69

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Solution

The fourth proportional to 10,399.17, 15,599.55 and 3,003.69 is: 4,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.17 : 15,599.55 = 3,003.69 : x
  2. Step 2: Convert to fraction form
    10,399.17/15,599.55 = 3,003.69/x
  3. Step 3: Cross multiply
    10,399.17x = 15,599.55 × 3,003.69
  4. Step 4: Simplify right side
    10,399.17x = 46,856,282.10
  5. Step 5: Solve for x
    x = 46,856,282.10/10,399.17
  6. Step 6: Final answer
    x = 4,505.77

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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.