Home / 12,497.00-18,739.13-4,174.02

Finding the Fourth Proportional to 12,497.00, 18,739.13 and 4,174.02

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Solution

The fourth proportional to 12,497.00, 18,739.13 and 4,174.02 is: 6,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.00 : 18,739.13 = 4,174.02 : x
  2. Step 2: Convert to fraction form
    12,497.00/18,739.13 = 4,174.02/x
  3. Step 3: Cross multiply
    12,497.00x = 18,739.13 × 4,174.02
  4. Step 4: Simplify right side
    12,497.00x = 78,217,482.53
  5. Step 5: Solve for x
    x = 78,217,482.53/12,497.00
  6. Step 6: Final answer
    x = 6,258.90

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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.