Home / 7,196.13-9,930.60-4,009.39

Finding the Fourth Proportional to 7,196.13, 9,930.60 and 4,009.39

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Solution

The fourth proportional to 7,196.13, 9,930.60 and 4,009.39 is: 5,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196.13 : 9,930.60 = 4,009.39 : x
  2. Step 2: Convert to fraction form
    7,196.13/9,930.60 = 4,009.39/x
  3. Step 3: Cross multiply
    7,196.13x = 9,930.60 × 4,009.39
  4. Step 4: Simplify right side
    7,196.13x = 39,815,623.51
  5. Step 5: Solve for x
    x = 39,815,623.51/7,196.13
  6. Step 6: Final answer
    x = 5,532.92

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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.