Home / 12,555.24-18,836.10-5,634.60

Finding the Fourth Proportional to 12,555.24, 18,836.10 and 5,634.60

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Solution

The fourth proportional to 12,555.24, 18,836.10 and 5,634.60 is: 8,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.24 : 18,836.10 = 5,634.60 : x
  2. Step 2: Convert to fraction form
    12,555.24/18,836.10 = 5,634.60/x
  3. Step 3: Cross multiply
    12,555.24x = 18,836.10 × 5,634.60
  4. Step 4: Simplify right side
    12,555.24x = 106,133,889.06
  5. Step 5: Solve for x
    x = 106,133,889.06/12,555.24
  6. Step 6: Final answer
    x = 8,453.35

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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.