Home / 9,231.69-13,848.50-2,991.45

Finding the Fourth Proportional to 9,231.69, 13,848.50 and 2,991.45

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Solution

The fourth proportional to 9,231.69, 13,848.50 and 2,991.45 is: 4,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.69 : 13,848.50 = 2,991.45 : x
  2. Step 2: Convert to fraction form
    9,231.69/13,848.50 = 2,991.45/x
  3. Step 3: Cross multiply
    9,231.69x = 13,848.50 × 2,991.45
  4. Step 4: Simplify right side
    9,231.69x = 41,427,154.74
  5. Step 5: Solve for x
    x = 41,427,154.74/9,231.69
  6. Step 6: Final answer
    x = 4,487.49

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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.