Home / 10,318.70-15,480.66-4,776.03

Finding the Fourth Proportional to 10,318.70, 15,480.66 and 4,776.03

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Solution

The fourth proportional to 10,318.70, 15,480.66 and 4,776.03 is: 7,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.70 : 15,480.66 = 4,776.03 : x
  2. Step 2: Convert to fraction form
    10,318.70/15,480.66 = 4,776.03/x
  3. Step 3: Cross multiply
    10,318.70x = 15,480.66 × 4,776.03
  4. Step 4: Simplify right side
    10,318.70x = 73,936,096.58
  5. Step 5: Solve for x
    x = 73,936,096.58/10,318.70
  6. Step 6: Final answer
    x = 7,165.26

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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.