Home / 7,926.40-10,927.68-6,682.24

Finding the Fourth Proportional to 7,926.40, 10,927.68 and 6,682.24

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Solution

The fourth proportional to 7,926.40, 10,927.68 and 6,682.24 is: 9,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.40 : 10,927.68 = 6,682.24 : x
  2. Step 2: Convert to fraction form
    7,926.40/10,927.68 = 6,682.24/x
  3. Step 3: Cross multiply
    7,926.40x = 10,927.68 × 6,682.24
  4. Step 4: Simplify right side
    7,926.40x = 73,021,380.40
  5. Step 5: Solve for x
    x = 73,021,380.40/7,926.40
  6. Step 6: Final answer
    x = 9,212.43

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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.