Home / 12,430.80-18,658.26-5,861.52

Finding the Fourth Proportional to 12,430.80, 18,658.26 and 5,861.52

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Solution

The fourth proportional to 12,430.80, 18,658.26 and 5,861.52 is: 8,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.80 : 18,658.26 = 5,861.52 : x
  2. Step 2: Convert to fraction form
    12,430.80/18,658.26 = 5,861.52/x
  3. Step 3: Cross multiply
    12,430.80x = 18,658.26 × 5,861.52
  4. Step 4: Simplify right side
    12,430.80x = 109,365,764.16
  5. Step 5: Solve for x
    x = 109,365,764.16/12,430.80
  6. Step 6: Final answer
    x = 8,797.97

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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.