Home / 10,840.60-16,260.82-3,445.64

Finding the Fourth Proportional to 10,840.60, 16,260.82 and 3,445.64

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Solution

The fourth proportional to 10,840.60, 16,260.82 and 3,445.64 is: 5,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.60 : 16,260.82 = 3,445.64 : x
  2. Step 2: Convert to fraction form
    10,840.60/16,260.82 = 3,445.64/x
  3. Step 3: Cross multiply
    10,840.60x = 16,260.82 × 3,445.64
  4. Step 4: Simplify right side
    10,840.60x = 56,028,931.82
  5. Step 5: Solve for x
    x = 56,028,931.82/10,840.60
  6. Step 6: Final answer
    x = 5,168.43

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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.