Home / 7,945.88-10,926.43-6,896.12

Finding the Fourth Proportional to 7,945.88, 10,926.43 and 6,896.12

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Solution

The fourth proportional to 7,945.88, 10,926.43 and 6,896.12 is: 9,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.88 : 10,926.43 = 6,896.12 : x
  2. Step 2: Convert to fraction form
    7,945.88/10,926.43 = 6,896.12/x
  3. Step 3: Cross multiply
    7,945.88x = 10,926.43 × 6,896.12
  4. Step 4: Simplify right side
    7,945.88x = 75,349,900.58
  5. Step 5: Solve for x
    x = 75,349,900.58/7,945.88
  6. Step 6: Final answer
    x = 9,482.90

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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.