Home / 11,458.65-17,188.29-3,667.47

Finding the Fourth Proportional to 11,458.65, 17,188.29 and 3,667.47

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Solution

The fourth proportional to 11,458.65, 17,188.29 and 3,667.47 is: 5,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.65 : 17,188.29 = 3,667.47 : x
  2. Step 2: Convert to fraction form
    11,458.65/17,188.29 = 3,667.47/x
  3. Step 3: Cross multiply
    11,458.65x = 17,188.29 × 3,667.47
  4. Step 4: Simplify right side
    11,458.65x = 63,037,537.93
  5. Step 5: Solve for x
    x = 63,037,537.93/11,458.65
  6. Step 6: Final answer
    x = 5,501.31

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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.