Home / 11,955.30-16,497.86-6,650.01

Finding the Fourth Proportional to 11,955.30, 16,497.86 and 6,650.01

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Solution

The fourth proportional to 11,955.30, 16,497.86 and 6,650.01 is: 9,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.30 : 16,497.86 = 6,650.01 : x
  2. Step 2: Convert to fraction form
    11,955.30/16,497.86 = 6,650.01/x
  3. Step 3: Cross multiply
    11,955.30x = 16,497.86 × 6,650.01
  4. Step 4: Simplify right side
    11,955.30x = 109,710,933.98
  5. Step 5: Solve for x
    x = 109,710,933.98/11,955.30
  6. Step 6: Final answer
    x = 9,176.76

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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.