Home / 7,435.31-11,143.85-4,471.93

Finding the Fourth Proportional to 7,435.31, 11,143.85 and 4,471.93

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Solution

The fourth proportional to 7,435.31, 11,143.85 and 4,471.93 is: 6,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.31 : 11,143.85 = 4,471.93 : x
  2. Step 2: Convert to fraction form
    7,435.31/11,143.85 = 4,471.93/x
  3. Step 3: Cross multiply
    7,435.31x = 11,143.85 × 4,471.93
  4. Step 4: Simplify right side
    7,435.31x = 49,834,500.45
  5. Step 5: Solve for x
    x = 49,834,500.45/7,435.31
  6. Step 6: Final answer
    x = 6,702.41

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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.