Home / 10,378.53-15,558.23-4,137.05

Finding the Fourth Proportional to 10,378.53, 15,558.23 and 4,137.05

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Solution

The fourth proportional to 10,378.53, 15,558.23 and 4,137.05 is: 6,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.53 : 15,558.23 = 4,137.05 : x
  2. Step 2: Convert to fraction form
    10,378.53/15,558.23 = 4,137.05/x
  3. Step 3: Cross multiply
    10,378.53x = 15,558.23 × 4,137.05
  4. Step 4: Simplify right side
    10,378.53x = 64,365,224.66
  5. Step 5: Solve for x
    x = 64,365,224.66/10,378.53
  6. Step 6: Final answer
    x = 6,201.77

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1.5x scale

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.