Home / 8,247.85-11,384.01-4,713.12

Finding the Fourth Proportional to 8,247.85, 11,384.01 and 4,713.12

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Solution

The fourth proportional to 8,247.85, 11,384.01 and 4,713.12 is: 6,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.85 : 11,384.01 = 4,713.12 : x
  2. Step 2: Convert to fraction form
    8,247.85/11,384.01 = 4,713.12/x
  3. Step 3: Cross multiply
    8,247.85x = 11,384.01 × 4,713.12
  4. Step 4: Simplify right side
    8,247.85x = 53,654,205.21
  5. Step 5: Solve for x
    x = 53,654,205.21/8,247.85
  6. Step 6: Final answer
    x = 6,505.24

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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.