Home / 11,694.89-16,133.55-6,977.45

Finding the Fourth Proportional to 11,694.89, 16,133.55 and 6,977.45

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Solution

The fourth proportional to 11,694.89, 16,133.55 and 6,977.45 is: 9,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.89 : 16,133.55 = 6,977.45 : x
  2. Step 2: Convert to fraction form
    11,694.89/16,133.55 = 6,977.45/x
  3. Step 3: Cross multiply
    11,694.89x = 16,133.55 × 6,977.45
  4. Step 4: Simplify right side
    11,694.89x = 112,571,038.45
  5. Step 5: Solve for x
    x = 112,571,038.45/11,694.89
  6. Step 6: Final answer
    x = 9,625.66

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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.