Home / 10,203.60-15,272.58-5,266.52

Finding the Fourth Proportional to 10,203.60, 15,272.58 and 5,266.52

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Solution

The fourth proportional to 10,203.60, 15,272.58 and 5,266.52 is: 7,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.60 : 15,272.58 = 5,266.52 : x
  2. Step 2: Convert to fraction form
    10,203.60/15,272.58 = 5,266.52/x
  3. Step 3: Cross multiply
    10,203.60x = 15,272.58 × 5,266.52
  4. Step 4: Simplify right side
    10,203.60x = 80,433,271.66
  5. Step 5: Solve for x
    x = 80,433,271.66/10,203.60
  6. Step 6: Final answer
    x = 7,882.83

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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.