Home / 11,333.28-15,640.92-6,298.48

Finding the Fourth Proportional to 11,333.28, 15,640.92 and 6,298.48

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Solution

The fourth proportional to 11,333.28, 15,640.92 and 6,298.48 is: 8,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.28 : 15,640.92 = 6,298.48 : x
  2. Step 2: Convert to fraction form
    11,333.28/15,640.92 = 6,298.48/x
  3. Step 3: Cross multiply
    11,333.28x = 15,640.92 × 6,298.48
  4. Step 4: Simplify right side
    11,333.28x = 98,514,021.80
  5. Step 5: Solve for x
    x = 98,514,021.80/11,333.28
  6. Step 6: Final answer
    x = 8,692.45

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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.