Home / 8,147.30-11,243.19-4,610.51

Finding the Fourth Proportional to 8,147.30, 11,243.19 and 4,610.51

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Solution

The fourth proportional to 8,147.30, 11,243.19 and 4,610.51 is: 6,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.30 : 11,243.19 = 4,610.51 : x
  2. Step 2: Convert to fraction form
    8,147.30/11,243.19 = 4,610.51/x
  3. Step 3: Cross multiply
    8,147.30x = 11,243.19 × 4,610.51
  4. Step 4: Simplify right side
    8,147.30x = 51,836,783.71
  5. Step 5: Solve for x
    x = 51,836,783.71/8,147.30
  6. Step 6: Final answer
    x = 6,362.45

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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.