Home / 10,045.51-15,069.28-2,650.48

Finding the Fourth Proportional to 10,045.51, 15,069.28 and 2,650.48

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Solution

The fourth proportional to 10,045.51, 15,069.28 and 2,650.48 is: 3,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.51 : 15,069.28 = 2,650.48 : x
  2. Step 2: Convert to fraction form
    10,045.51/15,069.28 = 2,650.48/x
  3. Step 3: Cross multiply
    10,045.51x = 15,069.28 × 2,650.48
  4. Step 4: Simplify right side
    10,045.51x = 39,940,818.63
  5. Step 5: Solve for x
    x = 39,940,818.63/10,045.51
  6. Step 6: Final answer
    x = 3,975.99

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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.