Home / 11,928.08-16,461.24-6,623.12

Finding the Fourth Proportional to 11,928.08, 16,461.24 and 6,623.12

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Solution

The fourth proportional to 11,928.08, 16,461.24 and 6,623.12 is: 9,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.08 : 16,461.24 = 6,623.12 : x
  2. Step 2: Convert to fraction form
    11,928.08/16,461.24 = 6,623.12/x
  3. Step 3: Cross multiply
    11,928.08x = 16,461.24 × 6,623.12
  4. Step 4: Simplify right side
    11,928.08x = 109,024,767.87
  5. Step 5: Solve for x
    x = 109,024,767.87/11,928.08
  6. Step 6: Final answer
    x = 9,140.18

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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.