Home / 7,409.83-11,110.64-3,030.36

Finding the Fourth Proportional to 7,409.83, 11,110.64 and 3,030.36

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Solution

The fourth proportional to 7,409.83, 11,110.64 and 3,030.36 is: 4,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.83 : 11,110.64 = 3,030.36 : x
  2. Step 2: Convert to fraction form
    7,409.83/11,110.64 = 3,030.36/x
  3. Step 3: Cross multiply
    7,409.83x = 11,110.64 × 3,030.36
  4. Step 4: Simplify right side
    7,409.83x = 33,669,270.28
  5. Step 5: Solve for x
    x = 33,669,270.28/7,409.83
  6. Step 6: Final answer
    x = 4,543.87

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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.