Home / 11,247.48-15,523.70-6,470.64

Finding the Fourth Proportional to 11,247.48, 15,523.70 and 6,470.64

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Solution

The fourth proportional to 11,247.48, 15,523.70 and 6,470.64 is: 8,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.48 : 15,523.70 = 6,470.64 : x
  2. Step 2: Convert to fraction form
    11,247.48/15,523.70 = 6,470.64/x
  3. Step 3: Cross multiply
    11,247.48x = 15,523.70 × 6,470.64
  4. Step 4: Simplify right side
    11,247.48x = 100,448,241.81
  5. Step 5: Solve for x
    x = 100,448,241.81/11,247.48
  6. Step 6: Final answer
    x = 8,930.73

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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.