Home / 11,455.43-17,148.56-10,360.31

Finding the Fourth Proportional to 11,455.43, 17,148.56 and 10,360.31

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Solution

The fourth proportional to 11,455.43, 17,148.56 and 10,360.31 is: 15,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.43 : 17,148.56 = 10,360.31 : x
  2. Step 2: Convert to fraction form
    11,455.43/17,148.56 = 10,360.31/x
  3. Step 3: Cross multiply
    11,455.43x = 17,148.56 × 10,360.31
  4. Step 4: Simplify right side
    11,455.43x = 177,664,397.65
  5. Step 5: Solve for x
    x = 177,664,397.65/11,455.43
  6. Step 6: Final answer
    x = 15,509.19

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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.