Home / 11,803.60-16,288.64-6,700.06

Finding the Fourth Proportional to 11,803.60, 16,288.64 and 6,700.06

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Solution

The fourth proportional to 11,803.60, 16,288.64 and 6,700.06 is: 9,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.60 : 16,288.64 = 6,700.06 : x
  2. Step 2: Convert to fraction form
    11,803.60/16,288.64 = 6,700.06/x
  3. Step 3: Cross multiply
    11,803.60x = 16,288.64 × 6,700.06
  4. Step 4: Simplify right side
    11,803.60x = 109,134,914.99
  5. Step 5: Solve for x
    x = 109,134,914.99/11,803.60
  6. Step 6: Final answer
    x = 9,245.90

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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.