Home / 12,391.95-18,584.00-4,070.03

Finding the Fourth Proportional to 12,391.95, 18,584.00 and 4,070.03

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Solution

The fourth proportional to 12,391.95, 18,584.00 and 4,070.03 is: 6,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.95 : 18,584.00 = 4,070.03 : x
  2. Step 2: Convert to fraction form
    12,391.95/18,584.00 = 4,070.03/x
  3. Step 3: Cross multiply
    12,391.95x = 18,584.00 × 4,070.03
  4. Step 4: Simplify right side
    12,391.95x = 75,637,478.89
  5. Step 5: Solve for x
    x = 75,637,478.89/12,391.95
  6. Step 6: Final answer
    x = 6,103.76

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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.