Home / 9,964.80-14,922.90-4,764.60

Finding the Fourth Proportional to 9,964.80, 14,922.90 and 4,764.60

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Solution

The fourth proportional to 9,964.80, 14,922.90 and 4,764.60 is: 7,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.80 : 14,922.90 = 4,764.60 : x
  2. Step 2: Convert to fraction form
    9,964.80/14,922.90 = 4,764.60/x
  3. Step 3: Cross multiply
    9,964.80x = 14,922.90 × 4,764.60
  4. Step 4: Simplify right side
    9,964.80x = 71,101,649.34
  5. Step 5: Solve for x
    x = 71,101,649.34/9,964.80
  6. Step 6: Final answer
    x = 7,135.28

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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.