Home / 8,825.81-13,239.96-2,586.27

Finding the Fourth Proportional to 8,825.81, 13,239.96 and 2,586.27

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Solution

The fourth proportional to 8,825.81, 13,239.96 and 2,586.27 is: 3,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.81 : 13,239.96 = 2,586.27 : x
  2. Step 2: Convert to fraction form
    8,825.81/13,239.96 = 2,586.27/x
  3. Step 3: Cross multiply
    8,825.81x = 13,239.96 × 2,586.27
  4. Step 4: Simplify right side
    8,825.81x = 34,242,111.35
  5. Step 5: Solve for x
    x = 34,242,111.35/8,825.81
  6. Step 6: Final answer
    x = 3,879.77

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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.