Home / 11,883.12-16,392.69-11,038.92

Finding the Fourth Proportional to 11,883.12, 16,392.69 and 11,038.92

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Solution

The fourth proportional to 11,883.12, 16,392.69 and 11,038.92 is: 15,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.12 : 16,392.69 = 11,038.92 : x
  2. Step 2: Convert to fraction form
    11,883.12/16,392.69 = 11,038.92/x
  3. Step 3: Cross multiply
    11,883.12x = 16,392.69 × 11,038.92
  4. Step 4: Simplify right side
    11,883.12x = 180,957,593.49
  5. Step 5: Solve for x
    x = 180,957,593.49/11,883.12
  6. Step 6: Final answer
    x = 15,228.12

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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.