Home / 8,112.02-11,197.86-6,123.07

Finding the Fourth Proportional to 8,112.02, 11,197.86 and 6,123.07

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Solution

The fourth proportional to 8,112.02, 11,197.86 and 6,123.07 is: 8,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.02 : 11,197.86 = 6,123.07 : x
  2. Step 2: Convert to fraction form
    8,112.02/11,197.86 = 6,123.07/x
  3. Step 3: Cross multiply
    8,112.02x = 11,197.86 × 6,123.07
  4. Step 4: Simplify right side
    8,112.02x = 68,565,280.63
  5. Step 5: Solve for x
    x = 68,565,280.63/8,112.02
  6. Step 6: Final answer
    x = 8,452.31

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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.