Home / 7,777.97-11,666.94-1,934.58

Finding the Fourth Proportional to 7,777.97, 11,666.94 and 1,934.58

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Solution

The fourth proportional to 7,777.97, 11,666.94 and 1,934.58 is: 2,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.97 : 11,666.94 = 1,934.58 : x
  2. Step 2: Convert to fraction form
    7,777.97/11,666.94 = 1,934.58/x
  3. Step 3: Cross multiply
    7,777.97x = 11,666.94 × 1,934.58
  4. Step 4: Simplify right side
    7,777.97x = 22,570,656.76
  5. Step 5: Solve for x
    x = 22,570,656.76/7,777.97
  6. Step 6: Final answer
    x = 2,901.87

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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.