Home / 12,556.58-17,343.41-9,194.67

Finding the Fourth Proportional to 12,556.58, 17,343.41 and 9,194.67

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Solution

The fourth proportional to 12,556.58, 17,343.41 and 9,194.67 is: 12,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.58 : 17,343.41 = 9,194.67 : x
  2. Step 2: Convert to fraction form
    12,556.58/17,343.41 = 9,194.67/x
  3. Step 3: Cross multiply
    12,556.58x = 17,343.41 × 9,194.67
  4. Step 4: Simplify right side
    12,556.58x = 159,466,885.65
  5. Step 5: Solve for x
    x = 159,466,885.65/12,556.58
  6. Step 6: Final answer
    x = 12,699.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.