Home / 10,296.52-15,427.15-5,619.81

Finding the Fourth Proportional to 10,296.52, 15,427.15 and 5,619.81

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Solution

The fourth proportional to 10,296.52, 15,427.15 and 5,619.81 is: 8,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.52 : 15,427.15 = 5,619.81 : x
  2. Step 2: Convert to fraction form
    10,296.52/15,427.15 = 5,619.81/x
  3. Step 3: Cross multiply
    10,296.52x = 15,427.15 × 5,619.81
  4. Step 4: Simplify right side
    10,296.52x = 86,697,630.79
  5. Step 5: Solve for x
    x = 86,697,630.79/10,296.52
  6. Step 6: Final answer
    x = 8,420.09

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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.