Home / 7,974.15-11,004.76-4,437.28

Finding the Fourth Proportional to 7,974.15, 11,004.76 and 4,437.28

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Solution

The fourth proportional to 7,974.15, 11,004.76 and 4,437.28 is: 6,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.15 : 11,004.76 = 4,437.28 : x
  2. Step 2: Convert to fraction form
    7,974.15/11,004.76 = 4,437.28/x
  3. Step 3: Cross multiply
    7,974.15x = 11,004.76 × 4,437.28
  4. Step 4: Simplify right side
    7,974.15x = 48,831,201.45
  5. Step 5: Solve for x
    x = 48,831,201.45/7,974.15
  6. Step 6: Final answer
    x = 6,123.69

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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.