Home / 11,927.14-16,459.14-6,621.82

Finding the Fourth Proportional to 11,927.14, 16,459.14 and 6,621.82

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Solution

The fourth proportional to 11,927.14, 16,459.14 and 6,621.82 is: 9,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.14 : 16,459.14 = 6,621.82 : x
  2. Step 2: Convert to fraction form
    11,927.14/16,459.14 = 6,621.82/x
  3. Step 3: Cross multiply
    11,927.14x = 16,459.14 × 6,621.82
  4. Step 4: Simplify right side
    11,927.14x = 108,989,462.43
  5. Step 5: Solve for x
    x = 108,989,462.43/11,927.14
  6. Step 6: Final answer
    x = 9,137.94

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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.