Home / 11,555.55-17,317.62-4,886.51

Finding the Fourth Proportional to 11,555.55, 17,317.62 and 4,886.51

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Solution

The fourth proportional to 11,555.55, 17,317.62 and 4,886.51 is: 7,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.55 : 17,317.62 = 4,886.51 : x
  2. Step 2: Convert to fraction form
    11,555.55/17,317.62 = 4,886.51/x
  3. Step 3: Cross multiply
    11,555.55x = 17,317.62 × 4,886.51
  4. Step 4: Simplify right side
    11,555.55x = 84,622,636.72
  5. Step 5: Solve for x
    x = 84,622,636.72/11,555.55
  6. Step 6: Final answer
    x = 7,323.12

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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.