Home / 12,401.86-17,114.70-6,736.67

Finding the Fourth Proportional to 12,401.86, 17,114.70 and 6,736.67

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Solution

The fourth proportional to 12,401.86, 17,114.70 and 6,736.67 is: 9,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.86 : 17,114.70 = 6,736.67 : x
  2. Step 2: Convert to fraction form
    12,401.86/17,114.70 = 6,736.67/x
  3. Step 3: Cross multiply
    12,401.86x = 17,114.70 × 6,736.67
  4. Step 4: Simplify right side
    12,401.86x = 115,295,966.79
  5. Step 5: Solve for x
    x = 115,295,966.79/12,401.86
  6. Step 6: Final answer
    x = 9,296.67

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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.