Home / 7,549.91-11,370.09-6,876.56

Finding the Fourth Proportional to 7,549.91, 11,370.09 and 6,876.56

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Solution

The fourth proportional to 7,549.91, 11,370.09 and 6,876.56 is: 10,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.91 : 11,370.09 = 6,876.56 : x
  2. Step 2: Convert to fraction form
    7,549.91/11,370.09 = 6,876.56/x
  3. Step 3: Cross multiply
    7,549.91x = 11,370.09 × 6,876.56
  4. Step 4: Simplify right side
    7,549.91x = 78,187,106.09
  5. Step 5: Solve for x
    x = 78,187,106.09/7,549.91
  6. Step 6: Final answer
    x = 10,356.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.