Home / 8,417.62-11,617.31-4,880.96

Finding the Fourth Proportional to 8,417.62, 11,617.31 and 4,880.96

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Solution

The fourth proportional to 8,417.62, 11,617.31 and 4,880.96 is: 6,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.62 : 11,617.31 = 4,880.96 : x
  2. Step 2: Convert to fraction form
    8,417.62/11,617.31 = 4,880.96/x
  3. Step 3: Cross multiply
    8,417.62x = 11,617.31 × 4,880.96
  4. Step 4: Simplify right side
    8,417.62x = 56,703,542.93
  5. Step 5: Solve for x
    x = 56,703,542.93/8,417.62
  6. Step 6: Final answer
    x = 6,736.30

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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.