Home / 12,401.40-17,113.64-7,095.88

Finding the Fourth Proportional to 12,401.40, 17,113.64 and 7,095.88

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Solution

The fourth proportional to 12,401.40, 17,113.64 and 7,095.88 is: 9,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.40 : 17,113.64 = 7,095.88 : x
  2. Step 2: Convert to fraction form
    12,401.40/17,113.64 = 7,095.88/x
  3. Step 3: Cross multiply
    12,401.40x = 17,113.64 × 7,095.88
  4. Step 4: Simplify right side
    12,401.40x = 121,436,257.54
  5. Step 5: Solve for x
    x = 121,436,257.54/12,401.40
  6. Step 6: Final answer
    x = 9,792.14

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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.