Home / 8,106.42-11,186.54-4,570.38

Finding the Fourth Proportional to 8,106.42, 11,186.54 and 4,570.38

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Solution

The fourth proportional to 8,106.42, 11,186.54 and 4,570.38 is: 6,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.42 : 11,186.54 = 4,570.38 : x
  2. Step 2: Convert to fraction form
    8,106.42/11,186.54 = 4,570.38/x
  3. Step 3: Cross multiply
    8,106.42x = 11,186.54 × 4,570.38
  4. Step 4: Simplify right side
    8,106.42x = 51,126,738.69
  5. Step 5: Solve for x
    x = 51,126,738.69/8,106.42
  6. Step 6: Final answer
    x = 6,306.94

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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.