Home / 8,247.24-12,347.10-5,476.68

Finding the Fourth Proportional to 8,247.24, 12,347.10 and 5,476.68

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Solution

The fourth proportional to 8,247.24, 12,347.10 and 5,476.68 is: 8,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.24 : 12,347.10 = 5,476.68 : x
  2. Step 2: Convert to fraction form
    8,247.24/12,347.10 = 5,476.68/x
  3. Step 3: Cross multiply
    8,247.24x = 12,347.10 × 5,476.68
  4. Step 4: Simplify right side
    8,247.24x = 67,621,115.63
  5. Step 5: Solve for x
    x = 67,621,115.63/8,247.24
  6. Step 6: Final answer
    x = 8,199.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.