Home / 7,106.80-10,660.20-2,176.46

Finding the Fourth Proportional to 7,106.80, 10,660.20 and 2,176.46

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Solution

The fourth proportional to 7,106.80, 10,660.20 and 2,176.46 is: 3,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.80 : 10,660.20 = 2,176.46 : x
  2. Step 2: Convert to fraction form
    7,106.80/10,660.20 = 2,176.46/x
  3. Step 3: Cross multiply
    7,106.80x = 10,660.20 × 2,176.46
  4. Step 4: Simplify right side
    7,106.80x = 23,201,498.89
  5. Step 5: Solve for x
    x = 23,201,498.89/7,106.80
  6. Step 6: Final answer
    x = 3,264.69

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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.