Home / 11,215.37-16,815.24-4,971.95

Finding the Fourth Proportional to 11,215.37, 16,815.24 and 4,971.95

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Solution

The fourth proportional to 11,215.37, 16,815.24 and 4,971.95 is: 7,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.37 : 16,815.24 = 4,971.95 : x
  2. Step 2: Convert to fraction form
    11,215.37/16,815.24 = 4,971.95/x
  3. Step 3: Cross multiply
    11,215.37x = 16,815.24 × 4,971.95
  4. Step 4: Simplify right side
    11,215.37x = 83,604,448.44
  5. Step 5: Solve for x
    x = 83,604,448.44/11,215.37
  6. Step 6: Final answer
    x = 7,454.46

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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.