Home / 10,360.78-15,530.42-5,908.95

Finding the Fourth Proportional to 10,360.78, 15,530.42 and 5,908.95

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Solution

The fourth proportional to 10,360.78, 15,530.42 and 5,908.95 is: 8,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.78 : 15,530.42 = 5,908.95 : x
  2. Step 2: Convert to fraction form
    10,360.78/15,530.42 = 5,908.95/x
  3. Step 3: Cross multiply
    10,360.78x = 15,530.42 × 5,908.95
  4. Step 4: Simplify right side
    10,360.78x = 91,768,490.03
  5. Step 5: Solve for x
    x = 91,768,490.03/10,360.78
  6. Step 6: Final answer
    x = 8,857.30

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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.