Home / 8,141.55-11,235.29-4,604.78

Finding the Fourth Proportional to 8,141.55, 11,235.29 and 4,604.78

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Solution

The fourth proportional to 8,141.55, 11,235.29 and 4,604.78 is: 6,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.55 : 11,235.29 = 4,604.78 : x
  2. Step 2: Convert to fraction form
    8,141.55/11,235.29 = 4,604.78/x
  3. Step 3: Cross multiply
    8,141.55x = 11,235.29 × 4,604.78
  4. Step 4: Simplify right side
    8,141.55x = 51,735,959.49
  5. Step 5: Solve for x
    x = 51,735,959.49/8,141.55
  6. Step 6: Final answer
    x = 6,354.56

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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.