Home / 11,975.81-17,955.89-5,735.62

Finding the Fourth Proportional to 11,975.81, 17,955.89 and 5,735.62

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Solution

The fourth proportional to 11,975.81, 17,955.89 and 5,735.62 is: 8,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.81 : 17,955.89 = 5,735.62 : x
  2. Step 2: Convert to fraction form
    11,975.81/17,955.89 = 5,735.62/x
  3. Step 3: Cross multiply
    11,975.81x = 17,955.89 × 5,735.62
  4. Step 4: Simplify right side
    11,975.81x = 102,988,088.23
  5. Step 5: Solve for x
    x = 102,988,088.23/11,975.81
  6. Step 6: Final answer
    x = 8,599.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.