Home / 9,021.42-12,449.34-5,043

Finding the Fourth Proportional to 9,021.42, 12,449.34 and 5,043

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Solution

The fourth proportional to 9,021.42, 12,449.34 and 5,043 is: 6,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.42 : 12,449.34 = 5,043 : x
  2. Step 2: Convert to fraction form
    9,021.42/12,449.34 = 5,043/x
  3. Step 3: Cross multiply
    9,021.42x = 12,449.34 × 5,043
  4. Step 4: Simplify right side
    9,021.42x = 62,782,021.62
  5. Step 5: Solve for x
    x = 62,782,021.62/9,021.42
  6. Step 6: Final answer
    x = 6,959.22

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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.