Home / 11,184.08-15,434.06-6,404.09

Finding the Fourth Proportional to 11,184.08, 15,434.06 and 6,404.09

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Solution

The fourth proportional to 11,184.08, 15,434.06 and 6,404.09 is: 8,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.08 : 15,434.06 = 6,404.09 : x
  2. Step 2: Convert to fraction form
    11,184.08/15,434.06 = 6,404.09/x
  3. Step 3: Cross multiply
    11,184.08x = 15,434.06 × 6,404.09
  4. Step 4: Simplify right side
    11,184.08x = 98,841,086.93
  5. Step 5: Solve for x
    x = 98,841,086.93/11,184.08
  6. Step 6: Final answer
    x = 8,837.66

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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.