Home / 8,578.17-11,836.43-5,042.05

Finding the Fourth Proportional to 8,578.17, 11,836.43 and 5,042.05

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Solution

The fourth proportional to 8,578.17, 11,836.43 and 5,042.05 is: 6,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.17 : 11,836.43 = 5,042.05 : x
  2. Step 2: Convert to fraction form
    8,578.17/11,836.43 = 5,042.05/x
  3. Step 3: Cross multiply
    8,578.17x = 11,836.43 × 5,042.05
  4. Step 4: Simplify right side
    8,578.17x = 59,679,835.99
  5. Step 5: Solve for x
    x = 59,679,835.99/8,578.17
  6. Step 6: Final answer
    x = 6,957.18

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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.