Home / 6,301.91-9,418.90-5,505.07

Finding the Fourth Proportional to 6,301.91, 9,418.90 and 5,505.07

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Solution

The fourth proportional to 6,301.91, 9,418.90 and 5,505.07 is: 8,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.91 : 9,418.90 = 5,505.07 : x
  2. Step 2: Convert to fraction form
    6,301.91/9,418.90 = 5,505.07/x
  3. Step 3: Cross multiply
    6,301.91x = 9,418.90 × 5,505.07
  4. Step 4: Simplify right side
    6,301.91x = 51,851,703.82
  5. Step 5: Solve for x
    x = 51,851,703.82/6,301.91
  6. Step 6: Final answer
    x = 8,227.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.