Home / 8,231.02-11,364.00-5,712.32

Finding the Fourth Proportional to 8,231.02, 11,364.00 and 5,712.32

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Solution

The fourth proportional to 8,231.02, 11,364.00 and 5,712.32 is: 7,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.02 : 11,364.00 = 5,712.32 : x
  2. Step 2: Convert to fraction form
    8,231.02/11,364.00 = 5,712.32/x
  3. Step 3: Cross multiply
    8,231.02x = 11,364.00 × 5,712.32
  4. Step 4: Simplify right side
    8,231.02x = 64,914,811.47
  5. Step 5: Solve for x
    x = 64,914,811.47/8,231.02
  6. Step 6: Final answer
    x = 7,886.61

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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.