Home / 11,775.43-16,249.91-6,470.13

Finding the Fourth Proportional to 11,775.43, 16,249.91 and 6,470.13

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Solution

The fourth proportional to 11,775.43, 16,249.91 and 6,470.13 is: 8,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.43 : 16,249.91 = 6,470.13 : x
  2. Step 2: Convert to fraction form
    11,775.43/16,249.91 = 6,470.13/x
  3. Step 3: Cross multiply
    11,775.43x = 16,249.91 × 6,470.13
  4. Step 4: Simplify right side
    11,775.43x = 105,139,058.77
  5. Step 5: Solve for x
    x = 105,139,058.77/11,775.43
  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.