Home / 8,482.32-12,731.58-5,201.82

Finding the Fourth Proportional to 8,482.32, 12,731.58 and 5,201.82

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Solution

The fourth proportional to 8,482.32, 12,731.58 and 5,201.82 is: 7,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.32 : 12,731.58 = 5,201.82 : x
  2. Step 2: Convert to fraction form
    8,482.32/12,731.58 = 5,201.82/x
  3. Step 3: Cross multiply
    8,482.32x = 12,731.58 × 5,201.82
  4. Step 4: Simplify right side
    8,482.32x = 66,227,387.48
  5. Step 5: Solve for x
    x = 66,227,387.48/8,482.32
  6. Step 6: Final answer
    x = 7,807.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.