Home / 10,933.60-16,400.40-4,692.55

Finding the Fourth Proportional to 10,933.60, 16,400.40 and 4,692.55

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Solution

The fourth proportional to 10,933.60, 16,400.40 and 4,692.55 is: 7,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.60 : 16,400.40 = 4,692.55 : x
  2. Step 2: Convert to fraction form
    10,933.60/16,400.40 = 4,692.55/x
  3. Step 3: Cross multiply
    10,933.60x = 16,400.40 × 4,692.55
  4. Step 4: Simplify right side
    10,933.60x = 76,959,697.02
  5. Step 5: Solve for x
    x = 76,959,697.02/10,933.60
  6. Step 6: Final answer
    x = 7,038.83

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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.