Home / 11,370.72-15,692.82-6,658.95

Finding the Fourth Proportional to 11,370.72, 15,692.82 and 6,658.95

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Solution

The fourth proportional to 11,370.72, 15,692.82 and 6,658.95 is: 9,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.72 : 15,692.82 = 6,658.95 : x
  2. Step 2: Convert to fraction form
    11,370.72/15,692.82 = 6,658.95/x
  3. Step 3: Cross multiply
    11,370.72x = 15,692.82 × 6,658.95
  4. Step 4: Simplify right side
    11,370.72x = 104,497,703.74
  5. Step 5: Solve for x
    x = 104,497,703.74/11,370.72
  6. Step 6: Final answer
    x = 9,190.07

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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.