Home / 12,873.06-19,310.40-4,552.20

Finding the Fourth Proportional to 12,873.06, 19,310.40 and 4,552.20

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Solution

The fourth proportional to 12,873.06, 19,310.40 and 4,552.20 is: 6,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.06 : 19,310.40 = 4,552.20 : x
  2. Step 2: Convert to fraction form
    12,873.06/19,310.40 = 4,552.20/x
  3. Step 3: Cross multiply
    12,873.06x = 19,310.40 × 4,552.20
  4. Step 4: Simplify right side
    12,873.06x = 87,904,802.88
  5. Step 5: Solve for x
    x = 87,904,802.88/12,873.06
  6. Step 6: Final answer
    x = 6,828.59

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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.