Home / 11,315.69-16,973.47-6,154.37

Finding the Fourth Proportional to 11,315.69, 16,973.47 and 6,154.37

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Solution

The fourth proportional to 11,315.69, 16,973.47 and 6,154.37 is: 9,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.69 : 16,973.47 = 6,154.37 : x
  2. Step 2: Convert to fraction form
    11,315.69/16,973.47 = 6,154.37/x
  3. Step 3: Cross multiply
    11,315.69x = 16,973.47 × 6,154.37
  4. Step 4: Simplify right side
    11,315.69x = 104,461,041.61
  5. Step 5: Solve for x
    x = 104,461,041.61/11,315.69
  6. Step 6: Final answer
    x = 9,231.52

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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.