Home / 11,935.48-16,470.66-6,630.76

Finding the Fourth Proportional to 11,935.48, 16,470.66 and 6,630.76

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Solution

The fourth proportional to 11,935.48, 16,470.66 and 6,630.76 is: 9,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.48 : 16,470.66 = 6,630.76 : x
  2. Step 2: Convert to fraction form
    11,935.48/16,470.66 = 6,630.76/x
  3. Step 3: Cross multiply
    11,935.48x = 16,470.66 × 6,630.76
  4. Step 4: Simplify right side
    11,935.48x = 109,212,993.50
  5. Step 5: Solve for x
    x = 109,212,993.50/11,935.48
  6. Step 6: Final answer
    x = 9,150.28

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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.