Home / 11,915.00-16,443.44-6,880.14

Finding the Fourth Proportional to 11,915.00, 16,443.44 and 6,880.14

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Solution

The fourth proportional to 11,915.00, 16,443.44 and 6,880.14 is: 9,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.00 : 16,443.44 = 6,880.14 : x
  2. Step 2: Convert to fraction form
    11,915.00/16,443.44 = 6,880.14/x
  3. Step 3: Cross multiply
    11,915.00x = 16,443.44 × 6,880.14
  4. Step 4: Simplify right side
    11,915.00x = 113,133,134.88
  5. Step 5: Solve for x
    x = 113,133,134.88/11,915.00
  6. Step 6: Final answer
    x = 9,495.02

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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.