Home / 9,315.48-13,973.23-2,389.98

Finding the Fourth Proportional to 9,315.48, 13,973.23 and 2,389.98

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Solution

The fourth proportional to 9,315.48, 13,973.23 and 2,389.98 is: 3,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.48 : 13,973.23 = 2,389.98 : x
  2. Step 2: Convert to fraction form
    9,315.48/13,973.23 = 2,389.98/x
  3. Step 3: Cross multiply
    9,315.48x = 13,973.23 × 2,389.98
  4. Step 4: Simplify right side
    9,315.48x = 33,395,740.24
  5. Step 5: Solve for x
    x = 33,395,740.24/9,315.48
  6. Step 6: Final answer
    x = 3,584.97

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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.