Home / 10,448.98-15,673.40-2,657.72

Finding the Fourth Proportional to 10,448.98, 15,673.40 and 2,657.72

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Solution

The fourth proportional to 10,448.98, 15,673.40 and 2,657.72 is: 3,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.98 : 15,673.40 = 2,657.72 : x
  2. Step 2: Convert to fraction form
    10,448.98/15,673.40 = 2,657.72/x
  3. Step 3: Cross multiply
    10,448.98x = 15,673.40 × 2,657.72
  4. Step 4: Simplify right side
    10,448.98x = 41,655,508.65
  5. Step 5: Solve for x
    x = 41,655,508.65/10,448.98
  6. Step 6: Final answer
    x = 3,986.56

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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.