Home / 11,275.66-16,913.69-6,628.29

Finding the Fourth Proportional to 11,275.66, 16,913.69 and 6,628.29

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Solution

The fourth proportional to 11,275.66, 16,913.69 and 6,628.29 is: 9,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.66 : 16,913.69 = 6,628.29 : x
  2. Step 2: Convert to fraction form
    11,275.66/16,913.69 = 6,628.29/x
  3. Step 3: Cross multiply
    11,275.66x = 16,913.69 × 6,628.29
  4. Step 4: Simplify right side
    11,275.66x = 112,108,842.29
  5. Step 5: Solve for x
    x = 112,108,842.29/11,275.66
  6. Step 6: Final answer
    x = 9,942.55

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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.