Home / 12,373.89-18,556.21-4,975.86

Finding the Fourth Proportional to 12,373.89, 18,556.21 and 4,975.86

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Solution

The fourth proportional to 12,373.89, 18,556.21 and 4,975.86 is: 7,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.89 : 18,556.21 = 4,975.86 : x
  2. Step 2: Convert to fraction form
    12,373.89/18,556.21 = 4,975.86/x
  3. Step 3: Cross multiply
    12,373.89x = 18,556.21 × 4,975.86
  4. Step 4: Simplify right side
    12,373.89x = 92,333,103.09
  5. Step 5: Solve for x
    x = 92,333,103.09/12,373.89
  6. Step 6: Final answer
    x = 7,461.93

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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.