Home / 11,586.48-15,989.20-6,281.23

Finding the Fourth Proportional to 11,586.48, 15,989.20 and 6,281.23

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Solution

The fourth proportional to 11,586.48, 15,989.20 and 6,281.23 is: 8,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.48 : 15,989.20 = 6,281.23 : x
  2. Step 2: Convert to fraction form
    11,586.48/15,989.20 = 6,281.23/x
  3. Step 3: Cross multiply
    11,586.48x = 15,989.20 × 6,281.23
  4. Step 4: Simplify right side
    11,586.48x = 100,431,817.02
  5. Step 5: Solve for x
    x = 100,431,817.02/11,586.48
  6. Step 6: Final answer
    x = 8,668.02

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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.