Home / 10,325.56-15,475.65-4,771.39

Finding the Fourth Proportional to 10,325.56, 15,475.65 and 4,771.39

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Solution

The fourth proportional to 10,325.56, 15,475.65 and 4,771.39 is: 7,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.56 : 15,475.65 = 4,771.39 : x
  2. Step 2: Convert to fraction form
    10,325.56/15,475.65 = 4,771.39/x
  3. Step 3: Cross multiply
    10,325.56x = 15,475.65 × 4,771.39
  4. Step 4: Simplify right side
    10,325.56x = 73,840,361.65
  5. Step 5: Solve for x
    x = 73,840,361.65/10,325.56
  6. Step 6: Final answer
    x = 7,151.22

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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.