Home / 8,530.80-11,772.96-4,994.28

Finding the Fourth Proportional to 8,530.80, 11,772.96 and 4,994.28

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Solution

The fourth proportional to 8,530.80, 11,772.96 and 4,994.28 is: 6,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.80 : 11,772.96 = 4,994.28 : x
  2. Step 2: Convert to fraction form
    8,530.80/11,772.96 = 4,994.28/x
  3. Step 3: Cross multiply
    8,530.80x = 11,772.96 × 4,994.28
  4. Step 4: Simplify right side
    8,530.80x = 58,797,458.67
  5. Step 5: Solve for x
    x = 58,797,458.67/8,530.80
  6. Step 6: Final answer
    x = 6,892.37

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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.