Home / 7,106.60-9,786.84-6,953.96

Finding the Fourth Proportional to 7,106.60, 9,786.84 and 6,953.96

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Solution

The fourth proportional to 7,106.60, 9,786.84 and 6,953.96 is: 9,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.60 : 9,786.84 = 6,953.96 : x
  2. Step 2: Convert to fraction form
    7,106.60/9,786.84 = 6,953.96/x
  3. Step 3: Cross multiply
    7,106.60x = 9,786.84 × 6,953.96
  4. Step 4: Simplify right side
    7,106.60x = 68,057,293.89
  5. Step 5: Solve for x
    x = 68,057,293.89/7,106.60
  6. Step 6: Final answer
    x = 9,576.63

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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.