Home / 8,588.90-11,849.99-4,811.55

Finding the Fourth Proportional to 8,588.90, 11,849.99 and 4,811.55

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Solution

The fourth proportional to 8,588.90, 11,849.99 and 4,811.55 is: 6,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.90 : 11,849.99 = 4,811.55 : x
  2. Step 2: Convert to fraction form
    8,588.90/11,849.99 = 4,811.55/x
  3. Step 3: Cross multiply
    8,588.90x = 11,849.99 × 4,811.55
  4. Step 4: Simplify right side
    8,588.90x = 57,016,795.33
  5. Step 5: Solve for x
    x = 57,016,795.33/8,588.90
  6. Step 6: Final answer
    x = 6,638.43

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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.