Home / 7,236.40-10,848.20-4,311.60

Finding the Fourth Proportional to 7,236.40, 10,848.20 and 4,311.60

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Solution

The fourth proportional to 7,236.40, 10,848.20 and 4,311.60 is: 6,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.40 : 10,848.20 = 4,311.60 : x
  2. Step 2: Convert to fraction form
    7,236.40/10,848.20 = 4,311.60/x
  3. Step 3: Cross multiply
    7,236.40x = 10,848.20 × 4,311.60
  4. Step 4: Simplify right side
    7,236.40x = 46,773,099.12
  5. Step 5: Solve for x
    x = 46,773,099.12/7,236.40
  6. Step 6: Final answer
    x = 6,463.59

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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.