Home / 11,032.09-15,224.61-6,785.64

Finding the Fourth Proportional to 11,032.09, 15,224.61 and 6,785.64

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Solution

The fourth proportional to 11,032.09, 15,224.61 and 6,785.64 is: 9,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.09 : 15,224.61 = 6,785.64 : x
  2. Step 2: Convert to fraction form
    11,032.09/15,224.61 = 6,785.64/x
  3. Step 3: Cross multiply
    11,032.09x = 15,224.61 × 6,785.64
  4. Step 4: Simplify right side
    11,032.09x = 103,308,805.14
  5. Step 5: Solve for x
    x = 103,308,805.14/11,032.09
  6. Step 6: Final answer
    x = 9,364.39

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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.