Home / 10,369.88-15,551.63-2,972.36

Finding the Fourth Proportional to 10,369.88, 15,551.63 and 2,972.36

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Solution

The fourth proportional to 10,369.88, 15,551.63 and 2,972.36 is: 4,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.88 : 15,551.63 = 2,972.36 : x
  2. Step 2: Convert to fraction form
    10,369.88/15,551.63 = 2,972.36/x
  3. Step 3: Cross multiply
    10,369.88x = 15,551.63 × 2,972.36
  4. Step 4: Simplify right side
    10,369.88x = 46,225,042.95
  5. Step 5: Solve for x
    x = 46,225,042.95/10,369.88
  6. Step 6: Final answer
    x = 4,457.63

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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.