Home / 8,076.51-11,142.16-4,930.88

Finding the Fourth Proportional to 8,076.51, 11,142.16 and 4,930.88

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Solution

The fourth proportional to 8,076.51, 11,142.16 and 4,930.88 is: 6,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.51 : 11,142.16 = 4,930.88 : x
  2. Step 2: Convert to fraction form
    8,076.51/11,142.16 = 4,930.88/x
  3. Step 3: Cross multiply
    8,076.51x = 11,142.16 × 4,930.88
  4. Step 4: Simplify right side
    8,076.51x = 54,940,585.86
  5. Step 5: Solve for x
    x = 54,940,585.86/8,076.51
  6. Step 6: Final answer
    x = 6,802.52

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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.