Home / 7,418.16-11,128.47-3,034.44

Finding the Fourth Proportional to 7,418.16, 11,128.47 and 3,034.44

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Solution

The fourth proportional to 7,418.16, 11,128.47 and 3,034.44 is: 4,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.16 : 11,128.47 = 3,034.44 : x
  2. Step 2: Convert to fraction form
    7,418.16/11,128.47 = 3,034.44/x
  3. Step 3: Cross multiply
    7,418.16x = 11,128.47 × 3,034.44
  4. Step 4: Simplify right side
    7,418.16x = 33,768,674.51
  5. Step 5: Solve for x
    x = 33,768,674.51/7,418.16
  6. Step 6: Final answer
    x = 4,552.16

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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.