Home / 12,856.58-19,285.41-4,536.66

Finding the Fourth Proportional to 12,856.58, 19,285.41 and 4,536.66

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Solution

The fourth proportional to 12,856.58, 19,285.41 and 4,536.66 is: 6,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856.58 : 19,285.41 = 4,536.66 : x
  2. Step 2: Convert to fraction form
    12,856.58/19,285.41 = 4,536.66/x
  3. Step 3: Cross multiply
    12,856.58x = 19,285.41 × 4,536.66
  4. Step 4: Simplify right side
    12,856.58x = 87,491,348.13
  5. Step 5: Solve for x
    x = 87,491,348.13/12,856.58
  6. Step 6: Final answer
    x = 6,805.18

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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.