Home / 10,663.45-15,995.16-2,872.27

Finding the Fourth Proportional to 10,663.45, 15,995.16 and 2,872.27

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Solution

The fourth proportional to 10,663.45, 15,995.16 and 2,872.27 is: 4,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.45 : 15,995.16 = 2,872.27 : x
  2. Step 2: Convert to fraction form
    10,663.45/15,995.16 = 2,872.27/x
  3. Step 3: Cross multiply
    10,663.45x = 15,995.16 × 2,872.27
  4. Step 4: Simplify right side
    10,663.45x = 45,942,418.21
  5. Step 5: Solve for x
    x = 45,942,418.21/10,663.45
  6. Step 6: Final answer
    x = 4,308.40

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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.