Home / 8,920.98-13,366.62-5,797.08

Finding the Fourth Proportional to 8,920.98, 13,366.62 and 5,797.08

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Solution

The fourth proportional to 8,920.98, 13,366.62 and 5,797.08 is: 8,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.98 : 13,366.62 = 5,797.08 : x
  2. Step 2: Convert to fraction form
    8,920.98/13,366.62 = 5,797.08/x
  3. Step 3: Cross multiply
    8,920.98x = 13,366.62 × 5,797.08
  4. Step 4: Simplify right side
    8,920.98x = 77,487,365.47
  5. Step 5: Solve for x
    x = 77,487,365.47/8,920.98
  6. Step 6: Final answer
    x = 8,685.97

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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.