Home / 13,107.02-18,088.97-8,074.17

Finding the Fourth Proportional to 13,107.02, 18,088.97 and 8,074.17

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Solution

The fourth proportional to 13,107.02, 18,088.97 and 8,074.17 is: 11,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.02 : 18,088.97 = 8,074.17 : x
  2. Step 2: Convert to fraction form
    13,107.02/18,088.97 = 8,074.17/x
  3. Step 3: Cross multiply
    13,107.02x = 18,088.97 × 8,074.17
  4. Step 4: Simplify right side
    13,107.02x = 146,053,378.53
  5. Step 5: Solve for x
    x = 146,053,378.53/13,107.02
  6. Step 6: Final answer
    x = 11,143.15

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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.