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Finding the Fourth Proportional to 7,860.34, 10,844.13 and 5,027.06

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Solution

The fourth proportional to 7,860.34, 10,844.13 and 5,027.06 is: 6,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.34 : 10,844.13 = 5,027.06 : x
  2. Step 2: Convert to fraction form
    7,860.34/10,844.13 = 5,027.06/x
  3. Step 3: Cross multiply
    7,860.34x = 10,844.13 × 5,027.06
  4. Step 4: Simplify right side
    7,860.34x = 54,514,109.84
  5. Step 5: Solve for x
    x = 54,514,109.84/7,860.34
  6. Step 6: Final answer
    x = 6,935.34

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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.