Home / 9,980.48-14,974.44-4,137.68

Finding the Fourth Proportional to 9,980.48, 14,974.44 and 4,137.68

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Solution

The fourth proportional to 9,980.48, 14,974.44 and 4,137.68 is: 6,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.48 : 14,974.44 = 4,137.68 : x
  2. Step 2: Convert to fraction form
    9,980.48/14,974.44 = 4,137.68/x
  3. Step 3: Cross multiply
    9,980.48x = 14,974.44 × 4,137.68
  4. Step 4: Simplify right side
    9,980.48x = 61,959,440.90
  5. Step 5: Solve for x
    x = 61,959,440.90/9,980.48
  6. Step 6: Final answer
    x = 6,208.06

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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.