Home / 11,838.05-16,335.95-6,798.70

Finding the Fourth Proportional to 11,838.05, 16,335.95 and 6,798.70

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Solution

The fourth proportional to 11,838.05, 16,335.95 and 6,798.70 is: 9,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.05 : 16,335.95 = 6,798.70 : x
  2. Step 2: Convert to fraction form
    11,838.05/16,335.95 = 6,798.70/x
  3. Step 3: Cross multiply
    11,838.05x = 16,335.95 × 6,798.70
  4. Step 4: Simplify right side
    11,838.05x = 111,063,209.69
  5. Step 5: Solve for x
    x = 111,063,209.69/11,838.05
  6. Step 6: Final answer
    x = 9,381.88

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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.