Home / 9,021.81-12,450.15-5,043.09

Finding the Fourth Proportional to 9,021.81, 12,450.15 and 5,043.09

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Solution

The fourth proportional to 9,021.81, 12,450.15 and 5,043.09 is: 6,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.81 : 12,450.15 = 5,043.09 : x
  2. Step 2: Convert to fraction form
    9,021.81/12,450.15 = 5,043.09/x
  3. Step 3: Cross multiply
    9,021.81x = 12,450.15 × 5,043.09
  4. Step 4: Simplify right side
    9,021.81x = 62,787,226.96
  5. Step 5: Solve for x
    x = 62,787,226.96/9,021.81
  6. Step 6: Final answer
    x = 6,959.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.