Home / 11,683.93-17,531.36-5,109.26

Finding the Fourth Proportional to 11,683.93, 17,531.36 and 5,109.26

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Solution

The fourth proportional to 11,683.93, 17,531.36 and 5,109.26 is: 7,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.93 : 17,531.36 = 5,109.26 : x
  2. Step 2: Convert to fraction form
    11,683.93/17,531.36 = 5,109.26/x
  3. Step 3: Cross multiply
    11,683.93x = 17,531.36 × 5,109.26
  4. Step 4: Simplify right side
    11,683.93x = 89,572,276.39
  5. Step 5: Solve for x
    x = 89,572,276.39/11,683.93
  6. Step 6: Final answer
    x = 7,666.28

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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.