Home / 29,279.12-43,923-8,499.92

Finding the Fourth Proportional to 29,279.12, 43,923 and 8,499.92

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Solution

The fourth proportional to 29,279.12, 43,923 and 8,499.92 is: 12,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.12 : 43,923 = 8,499.92 : x
  2. Step 2: Convert to fraction form
    29,279.12/43,923 = 8,499.92/x
  3. Step 3: Cross multiply
    29,279.12x = 43,923 × 8,499.92
  4. Step 4: Simplify right side
    29,279.12x = 373,341,986.16
  5. Step 5: Solve for x
    x = 373,341,986.16/29,279.12
  6. Step 6: Final answer
    x = 12,751.13

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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.