Home / 11,373.82-15,696.66-6,897.76

Finding the Fourth Proportional to 11,373.82, 15,696.66 and 6,897.76

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Solution

The fourth proportional to 11,373.82, 15,696.66 and 6,897.76 is: 9,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.82 : 15,696.66 = 6,897.76 : x
  2. Step 2: Convert to fraction form
    11,373.82/15,696.66 = 6,897.76/x
  3. Step 3: Cross multiply
    11,373.82x = 15,696.66 × 6,897.76
  4. Step 4: Simplify right side
    11,373.82x = 108,271,793.48
  5. Step 5: Solve for x
    x = 108,271,793.48/11,373.82
  6. Step 6: Final answer
    x = 9,519.39

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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.