Home / 11,184.26-15,434.31-6,404.28

Finding the Fourth Proportional to 11,184.26, 15,434.31 and 6,404.28

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Solution

The fourth proportional to 11,184.26, 15,434.31 and 6,404.28 is: 8,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.26 : 15,434.31 = 6,404.28 : x
  2. Step 2: Convert to fraction form
    11,184.26/15,434.31 = 6,404.28/x
  3. Step 3: Cross multiply
    11,184.26x = 15,434.31 × 6,404.28
  4. Step 4: Simplify right side
    11,184.26x = 98,845,642.85
  5. Step 5: Solve for x
    x = 98,845,642.85/11,184.26
  6. Step 6: Final answer
    x = 8,837.92

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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.