Home / 8,945.76-12,344.70-4,966.77

Finding the Fourth Proportional to 8,945.76, 12,344.70 and 4,966.77

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Solution

The fourth proportional to 8,945.76, 12,344.70 and 4,966.77 is: 6,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.76 : 12,344.70 = 4,966.77 : x
  2. Step 2: Convert to fraction form
    8,945.76/12,344.70 = 4,966.77/x
  3. Step 3: Cross multiply
    8,945.76x = 12,344.70 × 4,966.77
  4. Step 4: Simplify right side
    8,945.76x = 61,313,285.62
  5. Step 5: Solve for x
    x = 61,313,285.62/8,945.76
  6. Step 6: Final answer
    x = 6,853.89

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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.