Home / 11,160.69-15,403.77-6,683.51

Finding the Fourth Proportional to 11,160.69, 15,403.77 and 6,683.51

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Solution

The fourth proportional to 11,160.69, 15,403.77 and 6,683.51 is: 9,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.69 : 15,403.77 = 6,683.51 : x
  2. Step 2: Convert to fraction form
    11,160.69/15,403.77 = 6,683.51/x
  3. Step 3: Cross multiply
    11,160.69x = 15,403.77 × 6,683.51
  4. Step 4: Simplify right side
    11,160.69x = 102,951,173.81
  5. Step 5: Solve for x
    x = 102,951,173.81/11,160.69
  6. Step 6: Final answer
    x = 9,224.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.