Home / 10,480.03-15,721.98-3,460.53

Finding the Fourth Proportional to 10,480.03, 15,721.98 and 3,460.53

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Solution

The fourth proportional to 10,480.03, 15,721.98 and 3,460.53 is: 5,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.03 : 15,721.98 = 3,460.53 : x
  2. Step 2: Convert to fraction form
    10,480.03/15,721.98 = 3,460.53/x
  3. Step 3: Cross multiply
    10,480.03x = 15,721.98 × 3,460.53
  4. Step 4: Simplify right side
    10,480.03x = 54,406,383.45
  5. Step 5: Solve for x
    x = 54,406,383.45/10,480.03
  6. Step 6: Final answer
    x = 5,191.43

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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.