Home / 8,601.12-12,879.77-5,670.54

Finding the Fourth Proportional to 8,601.12, 12,879.77 and 5,670.54

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Solution

The fourth proportional to 8,601.12, 12,879.77 and 5,670.54 is: 8,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.12 : 12,879.77 = 5,670.54 : x
  2. Step 2: Convert to fraction form
    8,601.12/12,879.77 = 5,670.54/x
  3. Step 3: Cross multiply
    8,601.12x = 12,879.77 × 5,670.54
  4. Step 4: Simplify right side
    8,601.12x = 73,035,222.62
  5. Step 5: Solve for x
    x = 73,035,222.62/8,601.12
  6. Step 6: Final answer
    x = 8,491.36

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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.