Home / 7,623.95-11,440.31-4,113.95

Finding the Fourth Proportional to 7,623.95, 11,440.31 and 4,113.95

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Solution

The fourth proportional to 7,623.95, 11,440.31 and 4,113.95 is: 6,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.95 : 11,440.31 = 4,113.95 : x
  2. Step 2: Convert to fraction form
    7,623.95/11,440.31 = 4,113.95/x
  3. Step 3: Cross multiply
    7,623.95x = 11,440.31 × 4,113.95
  4. Step 4: Simplify right side
    7,623.95x = 47,064,863.32
  5. Step 5: Solve for x
    x = 47,064,863.32/7,623.95
  6. Step 6: Final answer
    x = 6,173.29

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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.