Home / 8,053.51-12,077.32-2,787.16

Finding the Fourth Proportional to 8,053.51, 12,077.32 and 2,787.16

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Solution

The fourth proportional to 8,053.51, 12,077.32 and 2,787.16 is: 4,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.51 : 12,077.32 = 2,787.16 : x
  2. Step 2: Convert to fraction form
    8,053.51/12,077.32 = 2,787.16/x
  3. Step 3: Cross multiply
    8,053.51x = 12,077.32 × 2,787.16
  4. Step 4: Simplify right side
    8,053.51x = 33,661,423.21
  5. Step 5: Solve for x
    x = 33,661,423.21/8,053.51
  6. Step 6: Final answer
    x = 4,179.72

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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.