Home / 11,579.13-15,979.35-6,802.33

Finding the Fourth Proportional to 11,579.13, 15,979.35 and 6,802.33

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Solution

The fourth proportional to 11,579.13, 15,979.35 and 6,802.33 is: 9,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.13 : 15,979.35 = 6,802.33 : x
  2. Step 2: Convert to fraction form
    11,579.13/15,979.35 = 6,802.33/x
  3. Step 3: Cross multiply
    11,579.13x = 15,979.35 × 6,802.33
  4. Step 4: Simplify right side
    11,579.13x = 108,696,811.89
  5. Step 5: Solve for x
    x = 108,696,811.89/11,579.13
  6. Step 6: Final answer
    x = 9,387.30

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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.