Home / 10,790.58-16,182.63-4,215.18

Finding the Fourth Proportional to 10,790.58, 16,182.63 and 4,215.18

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Solution

The fourth proportional to 10,790.58, 16,182.63 and 4,215.18 is: 6,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.58 : 16,182.63 = 4,215.18 : x
  2. Step 2: Convert to fraction form
    10,790.58/16,182.63 = 4,215.18/x
  3. Step 3: Cross multiply
    10,790.58x = 16,182.63 × 4,215.18
  4. Step 4: Simplify right side
    10,790.58x = 68,212,698.32
  5. Step 5: Solve for x
    x = 68,212,698.32/10,790.58
  6. Step 6: Final answer
    x = 6,321.50

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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.