Home / 7,208.16-10,761.60-6,168.48

Finding the Fourth Proportional to 7,208.16, 10,761.60 and 6,168.48

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Solution

The fourth proportional to 7,208.16, 10,761.60 and 6,168.48 is: 9,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.16 : 10,761.60 = 6,168.48 : x
  2. Step 2: Convert to fraction form
    7,208.16/10,761.60 = 6,168.48/x
  3. Step 3: Cross multiply
    7,208.16x = 10,761.60 × 6,168.48
  4. Step 4: Simplify right side
    7,208.16x = 66,382,714.37
  5. Step 5: Solve for x
    x = 66,382,714.37/7,208.16
  6. Step 6: Final answer
    x = 9,209.38

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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.