Home / 12,401.04-17,113.20-6,811.92

Finding the Fourth Proportional to 12,401.04, 17,113.20 and 6,811.92

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Solution

The fourth proportional to 12,401.04, 17,113.20 and 6,811.92 is: 9,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.04 : 17,113.20 = 6,811.92 : x
  2. Step 2: Convert to fraction form
    12,401.04/17,113.20 = 6,811.92/x
  3. Step 3: Cross multiply
    12,401.04x = 17,113.20 × 6,811.92
  4. Step 4: Simplify right side
    12,401.04x = 116,573,749.34
  5. Step 5: Solve for x
    x = 116,573,749.34/12,401.04
  6. Step 6: Final answer
    x = 9,400.32

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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.