Home / 11,927.62-16,460.63-6,622.44

Finding the Fourth Proportional to 11,927.62, 16,460.63 and 6,622.44

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Solution

The fourth proportional to 11,927.62, 16,460.63 and 6,622.44 is: 9,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.62 : 16,460.63 = 6,622.44 : x
  2. Step 2: Convert to fraction form
    11,927.62/16,460.63 = 6,622.44/x
  3. Step 3: Cross multiply
    11,927.62x = 16,460.63 × 6,622.44
  4. Step 4: Simplify right side
    11,927.62x = 109,009,509.94
  5. Step 5: Solve for x
    x = 109,009,509.94/11,927.62
  6. Step 6: Final answer
    x = 9,139.25

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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.