Home / 6,849.24-10,272.84-1,918.57

Finding the Fourth Proportional to 6,849.24, 10,272.84 and 1,918.57

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Solution

The fourth proportional to 6,849.24, 10,272.84 and 1,918.57 is: 2,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.24 : 10,272.84 = 1,918.57 : x
  2. Step 2: Convert to fraction form
    6,849.24/10,272.84 = 1,918.57/x
  3. Step 3: Cross multiply
    6,849.24x = 10,272.84 × 1,918.57
  4. Step 4: Simplify right side
    6,849.24x = 19,709,162.64
  5. Step 5: Solve for x
    x = 19,709,162.64/6,849.24
  6. Step 6: Final answer
    x = 2,877.57

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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.