Home / 10,448.92-15,673.86-2,657.80

Finding the Fourth Proportional to 10,448.92, 15,673.86 and 2,657.80

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Solution

The fourth proportional to 10,448.92, 15,673.86 and 2,657.80 is: 3,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.92 : 15,673.86 = 2,657.80 : x
  2. Step 2: Convert to fraction form
    10,448.92/15,673.86 = 2,657.80/x
  3. Step 3: Cross multiply
    10,448.92x = 15,673.86 × 2,657.80
  4. Step 4: Simplify right side
    10,448.92x = 41,657,985.11
  5. Step 5: Solve for x
    x = 41,657,985.11/10,448.92
  6. Step 6: Final answer
    x = 3,986.82

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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.