Home / 11,330.19-15,636.71-6,855.04

Finding the Fourth Proportional to 11,330.19, 15,636.71 and 6,855.04

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Solution

The fourth proportional to 11,330.19, 15,636.71 and 6,855.04 is: 9,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.19 : 15,636.71 = 6,855.04 : x
  2. Step 2: Convert to fraction form
    11,330.19/15,636.71 = 6,855.04/x
  3. Step 3: Cross multiply
    11,330.19x = 15,636.71 × 6,855.04
  4. Step 4: Simplify right side
    11,330.19x = 107,190,194.33
  5. Step 5: Solve for x
    x = 107,190,194.33/11,330.19
  6. Step 6: Final answer
    x = 9,460.59

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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.