Home / 11,370.48-15,692.05-6,894.42

Finding the Fourth Proportional to 11,370.48, 15,692.05 and 6,894.42

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Solution

The fourth proportional to 11,370.48, 15,692.05 and 6,894.42 is: 9,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.48 : 15,692.05 = 6,894.42 : x
  2. Step 2: Convert to fraction form
    11,370.48/15,692.05 = 6,894.42/x
  3. Step 3: Cross multiply
    11,370.48x = 15,692.05 × 6,894.42
  4. Step 4: Simplify right side
    11,370.48x = 108,187,583.36
  5. Step 5: Solve for x
    x = 108,187,583.36/11,370.48
  6. Step 6: Final answer
    x = 9,514.78

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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.