Home / 9,108.12-13,658.43-3,560.67

Finding the Fourth Proportional to 9,108.12, 13,658.43 and 3,560.67

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Solution

The fourth proportional to 9,108.12, 13,658.43 and 3,560.67 is: 5,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.12 : 13,658.43 = 3,560.67 : x
  2. Step 2: Convert to fraction form
    9,108.12/13,658.43 = 3,560.67/x
  3. Step 3: Cross multiply
    9,108.12x = 13,658.43 × 3,560.67
  4. Step 4: Simplify right side
    9,108.12x = 48,633,161.95
  5. Step 5: Solve for x
    x = 48,633,161.95/9,108.12
  6. Step 6: Final answer
    x = 5,339.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.