Home / 8,240.48-11,372.67-4,704.21

Finding the Fourth Proportional to 8,240.48, 11,372.67 and 4,704.21

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Solution

The fourth proportional to 8,240.48, 11,372.67 and 4,704.21 is: 6,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.48 : 11,372.67 = 4,704.21 : x
  2. Step 2: Convert to fraction form
    8,240.48/11,372.67 = 4,704.21/x
  3. Step 3: Cross multiply
    8,240.48x = 11,372.67 × 4,704.21
  4. Step 4: Simplify right side
    8,240.48x = 53,499,427.94
  5. Step 5: Solve for x
    x = 53,499,427.94/8,240.48
  6. Step 6: Final answer
    x = 6,492.27

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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.