Home / 11,519.96-15,897.41-6,675.35

Finding the Fourth Proportional to 11,519.96, 15,897.41 and 6,675.35

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Solution

The fourth proportional to 11,519.96, 15,897.41 and 6,675.35 is: 9,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.96 : 15,897.41 = 6,675.35 : x
  2. Step 2: Convert to fraction form
    11,519.96/15,897.41 = 6,675.35/x
  3. Step 3: Cross multiply
    11,519.96x = 15,897.41 × 6,675.35
  4. Step 4: Simplify right side
    11,519.96x = 106,120,832.28
  5. Step 5: Solve for x
    x = 106,120,832.28/11,519.96
  6. Step 6: Final answer
    x = 9,211.91

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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.