Home / 8,535.60-12,802.32-2,692.80

Finding the Fourth Proportional to 8,535.60, 12,802.32 and 2,692.80

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Solution

The fourth proportional to 8,535.60, 12,802.32 and 2,692.80 is: 4,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.60 : 12,802.32 = 2,692.80 : x
  2. Step 2: Convert to fraction form
    8,535.60/12,802.32 = 2,692.80/x
  3. Step 3: Cross multiply
    8,535.60x = 12,802.32 × 2,692.80
  4. Step 4: Simplify right side
    8,535.60x = 34,474,087.30
  5. Step 5: Solve for x
    x = 34,474,087.30/8,535.60
  6. Step 6: Final answer
    x = 4,038.86

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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.