Home / 11,586.24-15,989.04-6,281.06

Finding the Fourth Proportional to 11,586.24, 15,989.04 and 6,281.06

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Solution

The fourth proportional to 11,586.24, 15,989.04 and 6,281.06 is: 8,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.24 : 15,989.04 = 6,281.06 : x
  2. Step 2: Convert to fraction form
    11,586.24/15,989.04 = 6,281.06/x
  3. Step 3: Cross multiply
    11,586.24x = 15,989.04 × 6,281.06
  4. Step 4: Simplify right side
    11,586.24x = 100,428,039.64
  5. Step 5: Solve for x
    x = 100,428,039.64/11,586.24
  6. Step 6: Final answer
    x = 8,667.87

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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.