Home / 8,076.02-12,114.15-5,320.34

Finding the Fourth Proportional to 8,076.02, 12,114.15 and 5,320.34

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Solution

The fourth proportional to 8,076.02, 12,114.15 and 5,320.34 is: 7,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.02 : 12,114.15 = 5,320.34 : x
  2. Step 2: Convert to fraction form
    8,076.02/12,114.15 = 5,320.34/x
  3. Step 3: Cross multiply
    8,076.02x = 12,114.15 × 5,320.34
  4. Step 4: Simplify right side
    8,076.02x = 64,451,396.81
  5. Step 5: Solve for x
    x = 64,451,396.81/8,076.02
  6. Step 6: Final answer
    x = 7,980.59

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