Home / 11,959.08-16,501.56-6,653.76

Finding the Fourth Proportional to 11,959.08, 16,501.56 and 6,653.76

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Solution

The fourth proportional to 11,959.08, 16,501.56 and 6,653.76 is: 9,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.08 : 16,501.56 = 6,653.76 : x
  2. Step 2: Convert to fraction form
    11,959.08/16,501.56 = 6,653.76/x
  3. Step 3: Cross multiply
    11,959.08x = 16,501.56 × 6,653.76
  4. Step 4: Simplify right side
    11,959.08x = 109,797,419.87
  5. Step 5: Solve for x
    x = 109,797,419.87/11,959.08
  6. Step 6: Final answer
    x = 9,181.09

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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.