Home / 11,586.53-15,989.66-6,550.45

Finding the Fourth Proportional to 11,586.53, 15,989.66 and 6,550.45

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Solution

The fourth proportional to 11,586.53, 15,989.66 and 6,550.45 is: 9,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.53 : 15,989.66 = 6,550.45 : x
  2. Step 2: Convert to fraction form
    11,586.53/15,989.66 = 6,550.45/x
  3. Step 3: Cross multiply
    11,586.53x = 15,989.66 × 6,550.45
  4. Step 4: Simplify right side
    11,586.53x = 104,739,468.35
  5. Step 5: Solve for x
    x = 104,739,468.35/11,586.53
  6. Step 6: Final answer
    x = 9,039.76

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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.