Home / 10,548.70-15,823.95-2,757.50

Finding the Fourth Proportional to 10,548.70, 15,823.95 and 2,757.50

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Solution

The fourth proportional to 10,548.70, 15,823.95 and 2,757.50 is: 4,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.70 : 15,823.95 = 2,757.50 : x
  2. Step 2: Convert to fraction form
    10,548.70/15,823.95 = 2,757.50/x
  3. Step 3: Cross multiply
    10,548.70x = 15,823.95 × 2,757.50
  4. Step 4: Simplify right side
    10,548.70x = 43,634,542.13
  5. Step 5: Solve for x
    x = 43,634,542.13/10,548.70
  6. Step 6: Final answer
    x = 4,136.49

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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.