Home / 11,275.20-16,904.70-6,346.35

Finding the Fourth Proportional to 11,275.20, 16,904.70 and 6,346.35

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Solution

The fourth proportional to 11,275.20, 16,904.70 and 6,346.35 is: 9,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.20 : 16,904.70 = 6,346.35 : x
  2. Step 2: Convert to fraction form
    11,275.20/16,904.70 = 6,346.35/x
  3. Step 3: Cross multiply
    11,275.20x = 16,904.70 × 6,346.35
  4. Step 4: Simplify right side
    11,275.20x = 107,283,142.85
  5. Step 5: Solve for x
    x = 107,283,142.85/11,275.20
  6. Step 6: Final answer
    x = 9,514.97

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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.