Home / 7,112.76-10,670.94-2,182.65

Finding the Fourth Proportional to 7,112.76, 10,670.94 and 2,182.65

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Solution

The fourth proportional to 7,112.76, 10,670.94 and 2,182.65 is: 3,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.76 : 10,670.94 = 2,182.65 : x
  2. Step 2: Convert to fraction form
    7,112.76/10,670.94 = 2,182.65/x
  3. Step 3: Cross multiply
    7,112.76x = 10,670.94 × 2,182.65
  4. Step 4: Simplify right side
    7,112.76x = 23,290,927.19
  5. Step 5: Solve for x
    x = 23,290,927.19/7,112.76
  6. Step 6: Final answer
    x = 3,274.53

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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.