Home / 7,440.54-11,140.30-4,971.96

Finding the Fourth Proportional to 7,440.54, 11,140.30 and 4,971.96

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Solution

The fourth proportional to 7,440.54, 11,140.30 and 4,971.96 is: 7,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.54 : 11,140.30 = 4,971.96 : x
  2. Step 2: Convert to fraction form
    7,440.54/11,140.30 = 4,971.96/x
  3. Step 3: Cross multiply
    7,440.54x = 11,140.30 × 4,971.96
  4. Step 4: Simplify right side
    7,440.54x = 55,389,125.99
  5. Step 5: Solve for x
    x = 55,389,125.99/7,440.54
  6. Step 6: Final answer
    x = 7,444.23

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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.