Home / 8,586.89-11,851.43-6,235.87

Finding the Fourth Proportional to 8,586.89, 11,851.43 and 6,235.87

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Solution

The fourth proportional to 8,586.89, 11,851.43 and 6,235.87 is: 8,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.89 : 11,851.43 = 6,235.87 : x
  2. Step 2: Convert to fraction form
    8,586.89/11,851.43 = 6,235.87/x
  3. Step 3: Cross multiply
    8,586.89x = 11,851.43 × 6,235.87
  4. Step 4: Simplify right side
    8,586.89x = 73,903,976.79
  5. Step 5: Solve for x
    x = 73,903,976.79/8,586.89
  6. Step 6: Final answer
    x = 8,606.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.