Home / 8,945.60-12,344.32-4,966.70

Finding the Fourth Proportional to 8,945.60, 12,344.32 and 4,966.70

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Solution

The fourth proportional to 8,945.60, 12,344.32 and 4,966.70 is: 6,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.60 : 12,344.32 = 4,966.70 : x
  2. Step 2: Convert to fraction form
    8,945.60/12,344.32 = 4,966.70/x
  3. Step 3: Cross multiply
    8,945.60x = 12,344.32 × 4,966.70
  4. Step 4: Simplify right side
    8,945.60x = 61,310,534.14
  5. Step 5: Solve for x
    x = 61,310,534.14/8,945.60
  6. Step 6: Final answer
    x = 6,853.71

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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.