Home / 8,287.02-12,432.74-3,022.51

Finding the Fourth Proportional to 8,287.02, 12,432.74 and 3,022.51

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Solution

The fourth proportional to 8,287.02, 12,432.74 and 3,022.51 is: 4,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.02 : 12,432.74 = 3,022.51 : x
  2. Step 2: Convert to fraction form
    8,287.02/12,432.74 = 3,022.51/x
  3. Step 3: Cross multiply
    8,287.02x = 12,432.74 × 3,022.51
  4. Step 4: Simplify right side
    8,287.02x = 37,578,080.98
  5. Step 5: Solve for x
    x = 37,578,080.98/8,287.02
  6. Step 6: Final answer
    x = 4,534.57

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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.