Home / 7,110.45-10,613.01-6,672.69

Finding the Fourth Proportional to 7,110.45, 10,613.01 and 6,672.69

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Solution

The fourth proportional to 7,110.45, 10,613.01 and 6,672.69 is: 9,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.45 : 10,613.01 = 6,672.69 : x
  2. Step 2: Convert to fraction form
    7,110.45/10,613.01 = 6,672.69/x
  3. Step 3: Cross multiply
    7,110.45x = 10,613.01 × 6,672.69
  4. Step 4: Simplify right side
    7,110.45x = 70,817,325.70
  5. Step 5: Solve for x
    x = 70,817,325.70/7,110.45
  6. Step 6: Final answer
    x = 9,959.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.