Home / 9,156.10-13,730.58-3,151.04

Finding the Fourth Proportional to 9,156.10, 13,730.58 and 3,151.04

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Solution

The fourth proportional to 9,156.10, 13,730.58 and 3,151.04 is: 4,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.10 : 13,730.58 = 3,151.04 : x
  2. Step 2: Convert to fraction form
    9,156.10/13,730.58 = 3,151.04/x
  3. Step 3: Cross multiply
    9,156.10x = 13,730.58 × 3,151.04
  4. Step 4: Simplify right side
    9,156.10x = 43,265,606.80
  5. Step 5: Solve for x
    x = 43,265,606.80/9,156.10
  6. Step 6: Final answer
    x = 4,725.33

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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.