Home / 11,925.75-16,453.74-6,889.32

Finding the Fourth Proportional to 11,925.75, 16,453.74 and 6,889.32

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Solution

The fourth proportional to 11,925.75, 16,453.74 and 6,889.32 is: 9,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.75 : 16,453.74 = 6,889.32 : x
  2. Step 2: Convert to fraction form
    11,925.75/16,453.74 = 6,889.32/x
  3. Step 3: Cross multiply
    11,925.75x = 16,453.74 × 6,889.32
  4. Step 4: Simplify right side
    11,925.75x = 113,355,080.06
  5. Step 5: Solve for x
    x = 113,355,080.06/11,925.75
  6. Step 6: Final answer
    x = 9,505.07

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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.