Home / 12,416.81-17,135.04-9,244.28

Finding the Fourth Proportional to 12,416.81, 17,135.04 and 9,244.28

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Solution

The fourth proportional to 12,416.81, 17,135.04 and 9,244.28 is: 12,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.81 : 17,135.04 = 9,244.28 : x
  2. Step 2: Convert to fraction form
    12,416.81/17,135.04 = 9,244.28/x
  3. Step 3: Cross multiply
    12,416.81x = 17,135.04 × 9,244.28
  4. Step 4: Simplify right side
    12,416.81x = 158,401,107.57
  5. Step 5: Solve for x
    x = 158,401,107.57/12,416.81
  6. Step 6: Final answer
    x = 12,756.99

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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.