Home / 10,249.28-15,398.52-6,558.72

Finding the Fourth Proportional to 10,249.28, 15,398.52 and 6,558.72

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Solution

The fourth proportional to 10,249.28, 15,398.52 and 6,558.72 is: 9,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.28 : 15,398.52 = 6,558.72 : x
  2. Step 2: Convert to fraction form
    10,249.28/15,398.52 = 6,558.72/x
  3. Step 3: Cross multiply
    10,249.28x = 15,398.52 × 6,558.72
  4. Step 4: Simplify right side
    10,249.28x = 100,994,581.09
  5. Step 5: Solve for x
    x = 100,994,581.09/10,249.28
  6. Step 6: Final answer
    x = 9,853.82

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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.