Home / 8,264.91-12,399.53-4,998.99

Finding the Fourth Proportional to 8,264.91, 12,399.53 and 4,998.99

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Solution

The fourth proportional to 8,264.91, 12,399.53 and 4,998.99 is: 7,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.91 : 12,399.53 = 4,998.99 : x
  2. Step 2: Convert to fraction form
    8,264.91/12,399.53 = 4,998.99/x
  3. Step 3: Cross multiply
    8,264.91x = 12,399.53 × 4,998.99
  4. Step 4: Simplify right side
    8,264.91x = 61,985,101.48
  5. Step 5: Solve for x
    x = 61,985,101.48/8,264.91
  6. Step 6: Final answer
    x = 7,499.79

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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.