Home / 7,974.21-11,004.12-4,437.35

Finding the Fourth Proportional to 7,974.21, 11,004.12 and 4,437.35

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Solution

The fourth proportional to 7,974.21, 11,004.12 and 4,437.35 is: 6,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.21 : 11,004.12 = 4,437.35 : x
  2. Step 2: Convert to fraction form
    7,974.21/11,004.12 = 4,437.35/x
  3. Step 3: Cross multiply
    7,974.21x = 11,004.12 × 4,437.35
  4. Step 4: Simplify right side
    7,974.21x = 48,829,076.86
  5. Step 5: Solve for x
    x = 48,829,076.86/7,974.21
  6. Step 6: Final answer
    x = 6,123.37

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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.