Home / 11,775.52-16,249.76-6,470.24

Finding the Fourth Proportional to 11,775.52, 16,249.76 and 6,470.24

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Solution

The fourth proportional to 11,775.52, 16,249.76 and 6,470.24 is: 8,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.52 : 16,249.76 = 6,470.24 : x
  2. Step 2: Convert to fraction form
    11,775.52/16,249.76 = 6,470.24/x
  3. Step 3: Cross multiply
    11,775.52x = 16,249.76 × 6,470.24
  4. Step 4: Simplify right side
    11,775.52x = 105,139,847.14
  5. Step 5: Solve for x
    x = 105,139,847.14/11,775.52
  6. Step 6: Final answer
    x = 8,928.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.