Home / 12,628.13-17,426.66-6,963.08

Finding the Fourth Proportional to 12,628.13, 17,426.66 and 6,963.08

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Solution

The fourth proportional to 12,628.13, 17,426.66 and 6,963.08 is: 9,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.13 : 17,426.66 = 6,963.08 : x
  2. Step 2: Convert to fraction form
    12,628.13/17,426.66 = 6,963.08/x
  3. Step 3: Cross multiply
    12,628.13x = 17,426.66 × 6,963.08
  4. Step 4: Simplify right side
    12,628.13x = 121,343,105.76
  5. Step 5: Solve for x
    x = 121,343,105.76/12,628.13
  6. Step 6: Final answer
    x = 9,608.96

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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.