Home / 8,040.72-11,097.72-4,505.52

Finding the Fourth Proportional to 8,040.72, 11,097.72 and 4,505.52

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Solution

The fourth proportional to 8,040.72, 11,097.72 and 4,505.52 is: 6,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.72 : 11,097.72 = 4,505.52 : x
  2. Step 2: Convert to fraction form
    8,040.72/11,097.72 = 4,505.52/x
  3. Step 3: Cross multiply
    8,040.72x = 11,097.72 × 4,505.52
  4. Step 4: Simplify right side
    8,040.72x = 50,000,999.41
  5. Step 5: Solve for x
    x = 50,000,999.41/8,040.72
  6. Step 6: Final answer
    x = 6,218.47

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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.