Home / 11,703.06-17,554.38-5,129.76

Finding the Fourth Proportional to 11,703.06, 17,554.38 and 5,129.76

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Solution

The fourth proportional to 11,703.06, 17,554.38 and 5,129.76 is: 7,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.06 : 17,554.38 = 5,129.76 : x
  2. Step 2: Convert to fraction form
    11,703.06/17,554.38 = 5,129.76/x
  3. Step 3: Cross multiply
    11,703.06x = 17,554.38 × 5,129.76
  4. Step 4: Simplify right side
    11,703.06x = 90,049,756.35
  5. Step 5: Solve for x
    x = 90,049,756.35/11,703.06
  6. Step 6: Final answer
    x = 7,694.55

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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.