Home / 11,928.71-16,462.05-6,623.93

Finding the Fourth Proportional to 11,928.71, 16,462.05 and 6,623.93

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Solution

The fourth proportional to 11,928.71, 16,462.05 and 6,623.93 is: 9,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.71 : 16,462.05 = 6,623.93 : x
  2. Step 2: Convert to fraction form
    11,928.71/16,462.05 = 6,623.93/x
  3. Step 3: Cross multiply
    11,928.71x = 16,462.05 × 6,623.93
  4. Step 4: Simplify right side
    11,928.71x = 109,043,466.86
  5. Step 5: Solve for x
    x = 109,043,466.86/11,928.71
  6. Step 6: Final answer
    x = 9,141.26

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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.