Home / 7,994.88-11,017.35-5,752.80

Finding the Fourth Proportional to 7,994.88, 11,017.35 and 5,752.80

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Solution

The fourth proportional to 7,994.88, 11,017.35 and 5,752.80 is: 7,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.88 : 11,017.35 = 5,752.80 : x
  2. Step 2: Convert to fraction form
    7,994.88/11,017.35 = 5,752.80/x
  3. Step 3: Cross multiply
    7,994.88x = 11,017.35 × 5,752.80
  4. Step 4: Simplify right side
    7,994.88x = 63,380,611.08
  5. Step 5: Solve for x
    x = 63,380,611.08/7,994.88
  6. Step 6: Final answer
    x = 7,927.65

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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.