Home / 12,548.56-18,828.24-4,759.60

Finding the Fourth Proportional to 12,548.56, 18,828.24 and 4,759.60

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Solution

The fourth proportional to 12,548.56, 18,828.24 and 4,759.60 is: 7,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.56 : 18,828.24 = 4,759.60 : x
  2. Step 2: Convert to fraction form
    12,548.56/18,828.24 = 4,759.60/x
  3. Step 3: Cross multiply
    12,548.56x = 18,828.24 × 4,759.60
  4. Step 4: Simplify right side
    12,548.56x = 89,614,891.10
  5. Step 5: Solve for x
    x = 89,614,891.10/12,548.56
  6. Step 6: Final answer
    x = 7,141.45

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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.