Home / 10,078.97-13,908.18-5,602.44

Finding the Fourth Proportional to 10,078.97, 13,908.18 and 5,602.44

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Solution

The fourth proportional to 10,078.97, 13,908.18 and 5,602.44 is: 7,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.97 : 13,908.18 = 5,602.44 : x
  2. Step 2: Convert to fraction form
    10,078.97/13,908.18 = 5,602.44/x
  3. Step 3: Cross multiply
    10,078.97x = 13,908.18 × 5,602.44
  4. Step 4: Simplify right side
    10,078.97x = 77,919,817.12
  5. Step 5: Solve for x
    x = 77,919,817.12/10,078.97
  6. Step 6: Final answer
    x = 7,730.93

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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.