Home / 12,028.98-18,043.46-5,363.76

Finding the Fourth Proportional to 12,028.98, 18,043.46 and 5,363.76

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Solution

The fourth proportional to 12,028.98, 18,043.46 and 5,363.76 is: 8,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.98 : 18,043.46 = 5,363.76 : x
  2. Step 2: Convert to fraction form
    12,028.98/18,043.46 = 5,363.76/x
  3. Step 3: Cross multiply
    12,028.98x = 18,043.46 × 5,363.76
  4. Step 4: Simplify right side
    12,028.98x = 96,780,802.42
  5. Step 5: Solve for x
    x = 96,780,802.42/12,028.98
  6. Step 6: Final answer
    x = 8,045.64

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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.