Home / 11,300.36-16,952.16-4,278.48

Finding the Fourth Proportional to 11,300.36, 16,952.16 and 4,278.48

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Solution

The fourth proportional to 11,300.36, 16,952.16 and 4,278.48 is: 6,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.36 : 16,952.16 = 4,278.48 : x
  2. Step 2: Convert to fraction form
    11,300.36/16,952.16 = 4,278.48/x
  3. Step 3: Cross multiply
    11,300.36x = 16,952.16 × 4,278.48
  4. Step 4: Simplify right side
    11,300.36x = 72,529,477.52
  5. Step 5: Solve for x
    x = 72,529,477.52/11,300.36
  6. Step 6: Final answer
    x = 6,418.33

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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.