Home / 28,963.08-43,415.04-11,408.76

Finding the Fourth Proportional to 28,963.08, 43,415.04 and 11,408.76

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Solution

The fourth proportional to 28,963.08, 43,415.04 and 11,408.76 is: 17,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.08 : 43,415.04 = 11,408.76 : x
  2. Step 2: Convert to fraction form
    28,963.08/43,415.04 = 11,408.76/x
  3. Step 3: Cross multiply
    28,963.08x = 43,415.04 × 11,408.76
  4. Step 4: Simplify right side
    28,963.08x = 495,311,771.75
  5. Step 5: Solve for x
    x = 495,311,771.75/28,963.08
  6. Step 6: Final answer
    x = 17,101.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.