Home / 7,848.21-10,830.63-4,311.44

Finding the Fourth Proportional to 7,848.21, 10,830.63 and 4,311.44

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Solution

The fourth proportional to 7,848.21, 10,830.63 and 4,311.44 is: 5,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.21 : 10,830.63 = 4,311.44 : x
  2. Step 2: Convert to fraction form
    7,848.21/10,830.63 = 4,311.44/x
  3. Step 3: Cross multiply
    7,848.21x = 10,830.63 × 4,311.44
  4. Step 4: Simplify right side
    7,848.21x = 46,695,557.25
  5. Step 5: Solve for x
    x = 46,695,557.25/7,848.21
  6. Step 6: Final answer
    x = 5,949.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.