Home / 11,763.06-17,629.01-8,628.38

Finding the Fourth Proportional to 11,763.06, 17,629.01 and 8,628.38

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Solution

The fourth proportional to 11,763.06, 17,629.01 and 8,628.38 is: 12,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.06 : 17,629.01 = 8,628.38 : x
  2. Step 2: Convert to fraction form
    11,763.06/17,629.01 = 8,628.38/x
  3. Step 3: Cross multiply
    11,763.06x = 17,629.01 × 8,628.38
  4. Step 4: Simplify right side
    11,763.06x = 152,109,865.10
  5. Step 5: Solve for x
    x = 152,109,865.10/11,763.06
  6. Step 6: Final answer
    x = 12,931.15

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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.