Home / 11,977.55-16,529.52-6,672.36

Finding the Fourth Proportional to 11,977.55, 16,529.52 and 6,672.36

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Solution

The fourth proportional to 11,977.55, 16,529.52 and 6,672.36 is: 9,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.55 : 16,529.52 = 6,672.36 : x
  2. Step 2: Convert to fraction form
    11,977.55/16,529.52 = 6,672.36/x
  3. Step 3: Cross multiply
    11,977.55x = 16,529.52 × 6,672.36
  4. Step 4: Simplify right side
    11,977.55x = 110,290,908.07
  5. Step 5: Solve for x
    x = 110,290,908.07/11,977.55
  6. Step 6: Final answer
    x = 9,208.14

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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.