Home / 11,129.16-16,693.71-3,733.64

Finding the Fourth Proportional to 11,129.16, 16,693.71 and 3,733.64

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Solution

The fourth proportional to 11,129.16, 16,693.71 and 3,733.64 is: 5,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.16 : 16,693.71 = 3,733.64 : x
  2. Step 2: Convert to fraction form
    11,129.16/16,693.71 = 3,733.64/x
  3. Step 3: Cross multiply
    11,129.16x = 16,693.71 × 3,733.64
  4. Step 4: Simplify right side
    11,129.16x = 62,328,303.40
  5. Step 5: Solve for x
    x = 62,328,303.40/11,129.16
  6. Step 6: Final answer
    x = 5,600.45

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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.