Home / 15,408.46-23,116.16-4,879.11

Finding the Fourth Proportional to 15,408.46, 23,116.16 and 4,879.11

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Solution

The fourth proportional to 15,408.46, 23,116.16 and 4,879.11 is: 7,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.46 : 23,116.16 = 4,879.11 : x
  2. Step 2: Convert to fraction form
    15,408.46/23,116.16 = 4,879.11/x
  3. Step 3: Cross multiply
    15,408.46x = 23,116.16 × 4,879.11
  4. Step 4: Simplify right side
    15,408.46x = 112,786,287.42
  5. Step 5: Solve for x
    x = 112,786,287.42/15,408.46
  6. Step 6: Final answer
    x = 7,319.76

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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.