Home / 8,180.02-11,285.52-5,349.02

Finding the Fourth Proportional to 8,180.02, 11,285.52 and 5,349.02

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Solution

The fourth proportional to 8,180.02, 11,285.52 and 5,349.02 is: 7,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.02 : 11,285.52 = 5,349.02 : x
  2. Step 2: Convert to fraction form
    8,180.02/11,285.52 = 5,349.02/x
  3. Step 3: Cross multiply
    8,180.02x = 11,285.52 × 5,349.02
  4. Step 4: Simplify right side
    8,180.02x = 60,366,472.19
  5. Step 5: Solve for x
    x = 60,366,472.19/8,180.02
  6. Step 6: Final answer
    x = 7,379.75

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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.