Home / 11,979.77-16,529.74-6,673.59

Finding the Fourth Proportional to 11,979.77, 16,529.74 and 6,673.59

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Solution

The fourth proportional to 11,979.77, 16,529.74 and 6,673.59 is: 9,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.77 : 16,529.74 = 6,673.59 : x
  2. Step 2: Convert to fraction form
    11,979.77/16,529.74 = 6,673.59/x
  3. Step 3: Cross multiply
    11,979.77x = 16,529.74 × 6,673.59
  4. Step 4: Simplify right side
    11,979.77x = 110,312,690.88
  5. Step 5: Solve for x
    x = 110,312,690.88/11,979.77
  6. Step 6: Final answer
    x = 9,208.25

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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.