Home / 11,377.02-17,068.78-8,260.14

Finding the Fourth Proportional to 11,377.02, 17,068.78 and 8,260.14

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Solution

The fourth proportional to 11,377.02, 17,068.78 and 8,260.14 is: 12,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.02 : 17,068.78 = 8,260.14 : x
  2. Step 2: Convert to fraction form
    11,377.02/17,068.78 = 8,260.14/x
  3. Step 3: Cross multiply
    11,377.02x = 17,068.78 × 8,260.14
  4. Step 4: Simplify right side
    11,377.02x = 140,990,512.43
  5. Step 5: Solve for x
    x = 140,990,512.43/11,377.02
  6. Step 6: Final answer
    x = 12,392.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.