Home / 7,623.32-11,435.02-2,692.40

Finding the Fourth Proportional to 7,623.32, 11,435.02 and 2,692.40

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Solution

The fourth proportional to 7,623.32, 11,435.02 and 2,692.40 is: 4,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.32 : 11,435.02 = 2,692.40 : x
  2. Step 2: Convert to fraction form
    7,623.32/11,435.02 = 2,692.40/x
  3. Step 3: Cross multiply
    7,623.32x = 11,435.02 × 2,692.40
  4. Step 4: Simplify right side
    7,623.32x = 30,787,647.85
  5. Step 5: Solve for x
    x = 30,787,647.85/7,623.32
  6. Step 6: Final answer
    x = 4,038.61

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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.