Home / 8,416.67-11,614.91-4,640.24

Finding the Fourth Proportional to 8,416.67, 11,614.91 and 4,640.24

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Solution

The fourth proportional to 8,416.67, 11,614.91 and 4,640.24 is: 6,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.67 : 11,614.91 = 4,640.24 : x
  2. Step 2: Convert to fraction form
    8,416.67/11,614.91 = 4,640.24/x
  3. Step 3: Cross multiply
    8,416.67x = 11,614.91 × 4,640.24
  4. Step 4: Simplify right side
    8,416.67x = 53,895,888.70
  5. Step 5: Solve for x
    x = 53,895,888.70/8,416.67
  6. Step 6: Final answer
    x = 6,403.47

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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.