Home / 7,342.16-11,013.24-2,151.68

Finding the Fourth Proportional to 7,342.16, 11,013.24 and 2,151.68

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Solution

The fourth proportional to 7,342.16, 11,013.24 and 2,151.68 is: 3,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.16 : 11,013.24 = 2,151.68 : x
  2. Step 2: Convert to fraction form
    7,342.16/11,013.24 = 2,151.68/x
  3. Step 3: Cross multiply
    7,342.16x = 11,013.24 × 2,151.68
  4. Step 4: Simplify right side
    7,342.16x = 23,696,968.24
  5. Step 5: Solve for x
    x = 23,696,968.24/7,342.16
  6. Step 6: Final answer
    x = 3,227.52

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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.