Home / 11,185.07-15,435.58-6,149.50

Finding the Fourth Proportional to 11,185.07, 15,435.58 and 6,149.50

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Solution

The fourth proportional to 11,185.07, 15,435.58 and 6,149.50 is: 8,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.07 : 15,435.58 = 6,149.50 : x
  2. Step 2: Convert to fraction form
    11,185.07/15,435.58 = 6,149.50/x
  3. Step 3: Cross multiply
    11,185.07x = 15,435.58 × 6,149.50
  4. Step 4: Simplify right side
    11,185.07x = 94,921,022.03
  5. Step 5: Solve for x
    x = 94,921,022.03/11,185.07
  6. Step 6: Final answer
    x = 8,486.41

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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.