Home / 11,561.49-17,341.16-4,986.45

Finding the Fourth Proportional to 11,561.49, 17,341.16 and 4,986.45

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Solution

The fourth proportional to 11,561.49, 17,341.16 and 4,986.45 is: 7,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.49 : 17,341.16 = 4,986.45 : x
  2. Step 2: Convert to fraction form
    11,561.49/17,341.16 = 4,986.45/x
  3. Step 3: Cross multiply
    11,561.49x = 17,341.16 × 4,986.45
  4. Step 4: Simplify right side
    11,561.49x = 86,470,802.35
  5. Step 5: Solve for x
    x = 86,470,802.35/11,561.49
  6. Step 6: Final answer
    x = 7,479.21

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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.