Home / 11,370.22-15,692.06-6,897.12

Finding the Fourth Proportional to 11,370.22, 15,692.06 and 6,897.12

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Solution

The fourth proportional to 11,370.22, 15,692.06 and 6,897.12 is: 9,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.22 : 15,692.06 = 6,897.12 : x
  2. Step 2: Convert to fraction form
    11,370.22/15,692.06 = 6,897.12/x
  3. Step 3: Cross multiply
    11,370.22x = 15,692.06 × 6,897.12
  4. Step 4: Simplify right side
    11,370.22x = 108,230,020.87
  5. Step 5: Solve for x
    x = 108,230,020.87/11,370.22
  6. Step 6: Final answer
    x = 9,518.73

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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.