Home / 7,775.02-11,665.97-4,076.36

Finding the Fourth Proportional to 7,775.02, 11,665.97 and 4,076.36

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Solution

The fourth proportional to 7,775.02, 11,665.97 and 4,076.36 is: 6,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.02 : 11,665.97 = 4,076.36 : x
  2. Step 2: Convert to fraction form
    7,775.02/11,665.97 = 4,076.36/x
  3. Step 3: Cross multiply
    7,775.02x = 11,665.97 × 4,076.36
  4. Step 4: Simplify right side
    7,775.02x = 47,554,673.09
  5. Step 5: Solve for x
    x = 47,554,673.09/7,775.02
  6. Step 6: Final answer
    x = 6,116.34

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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.