Home / 7,445.10-11,167.73-1,898.46

Finding the Fourth Proportional to 7,445.10, 11,167.73 and 1,898.46

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Solution

The fourth proportional to 7,445.10, 11,167.73 and 1,898.46 is: 2,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.10 : 11,167.73 = 1,898.46 : x
  2. Step 2: Convert to fraction form
    7,445.10/11,167.73 = 1,898.46/x
  3. Step 3: Cross multiply
    7,445.10x = 11,167.73 × 1,898.46
  4. Step 4: Simplify right side
    7,445.10x = 21,201,488.70
  5. Step 5: Solve for x
    x = 21,201,488.70/7,445.10
  6. Step 6: Final answer
    x = 2,847.71

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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.