Home / 8,909.46-12,293.76-4,930.56

Finding the Fourth Proportional to 8,909.46, 12,293.76 and 4,930.56

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Solution

The fourth proportional to 8,909.46, 12,293.76 and 4,930.56 is: 6,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.46 : 12,293.76 = 4,930.56 : x
  2. Step 2: Convert to fraction form
    8,909.46/12,293.76 = 4,930.56/x
  3. Step 3: Cross multiply
    8,909.46x = 12,293.76 × 4,930.56
  4. Step 4: Simplify right side
    8,909.46x = 60,615,121.31
  5. Step 5: Solve for x
    x = 60,615,121.31/8,909.46
  6. Step 6: Final answer
    x = 6,803.46

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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.