Home / 9,109.11-13,670.33-5,830.23

Finding the Fourth Proportional to 9,109.11, 13,670.33 and 5,830.23

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Solution

The fourth proportional to 9,109.11, 13,670.33 and 5,830.23 is: 8,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.11 : 13,670.33 = 5,830.23 : x
  2. Step 2: Convert to fraction form
    9,109.11/13,670.33 = 5,830.23/x
  3. Step 3: Cross multiply
    9,109.11x = 13,670.33 × 5,830.23
  4. Step 4: Simplify right side
    9,109.11x = 79,701,138.92
  5. Step 5: Solve for x
    x = 79,701,138.92/9,109.11
  6. Step 6: Final answer
    x = 8,749.61

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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.