Home / 8,296.45-11,460.71-5,777.30

Finding the Fourth Proportional to 8,296.45, 11,460.71 and 5,777.30

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Solution

The fourth proportional to 8,296.45, 11,460.71 and 5,777.30 is: 7,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.45 : 11,460.71 = 5,777.30 : x
  2. Step 2: Convert to fraction form
    8,296.45/11,460.71 = 5,777.30/x
  3. Step 3: Cross multiply
    8,296.45x = 11,460.71 × 5,777.30
  4. Step 4: Simplify right side
    8,296.45x = 66,212,002.98
  5. Step 5: Solve for x
    x = 66,212,002.98/8,296.45
  6. Step 6: Final answer
    x = 7,980.77

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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.