Home / 8,655.75-11,944.94-4,930.47

Finding the Fourth Proportional to 8,655.75, 11,944.94 and 4,930.47

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Solution

The fourth proportional to 8,655.75, 11,944.94 and 4,930.47 is: 6,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.75 : 11,944.94 = 4,930.47 : x
  2. Step 2: Convert to fraction form
    8,655.75/11,944.94 = 4,930.47/x
  3. Step 3: Cross multiply
    8,655.75x = 11,944.94 × 4,930.47
  4. Step 4: Simplify right side
    8,655.75x = 58,894,143.67
  5. Step 5: Solve for x
    x = 58,894,143.67/8,655.75
  6. Step 6: Final answer
    x = 6,804.05

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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.