Home / 12,125.24-18,187.34-4,731.06

Finding the Fourth Proportional to 12,125.24, 18,187.34 and 4,731.06

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Solution

The fourth proportional to 12,125.24, 18,187.34 and 4,731.06 is: 7,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.24 : 18,187.34 = 4,731.06 : x
  2. Step 2: Convert to fraction form
    12,125.24/18,187.34 = 4,731.06/x
  3. Step 3: Cross multiply
    12,125.24x = 18,187.34 × 4,731.06
  4. Step 4: Simplify right side
    12,125.24x = 86,045,339.02
  5. Step 5: Solve for x
    x = 86,045,339.02/12,125.24
  6. Step 6: Final answer
    x = 7,096.38

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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.