Home / 7,966.80-11,946.15-4,680.90

Finding the Fourth Proportional to 7,966.80, 11,946.15 and 4,680.90

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Solution

The fourth proportional to 7,966.80, 11,946.15 and 4,680.90 is: 7,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.80 : 11,946.15 = 4,680.90 : x
  2. Step 2: Convert to fraction form
    7,966.80/11,946.15 = 4,680.90/x
  3. Step 3: Cross multiply
    7,966.80x = 11,946.15 × 4,680.90
  4. Step 4: Simplify right side
    7,966.80x = 55,918,733.54
  5. Step 5: Solve for x
    x = 55,918,733.54/7,966.80
  6. Step 6: Final answer
    x = 7,018.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.