Home / 10,527.21-15,787.41-3,505.35

Finding the Fourth Proportional to 10,527.21, 15,787.41 and 3,505.35

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Solution

The fourth proportional to 10,527.21, 15,787.41 and 3,505.35 is: 5,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.21 : 15,787.41 = 3,505.35 : x
  2. Step 2: Convert to fraction form
    10,527.21/15,787.41 = 3,505.35/x
  3. Step 3: Cross multiply
    10,527.21x = 15,787.41 × 3,505.35
  4. Step 4: Simplify right side
    10,527.21x = 55,340,338.44
  5. Step 5: Solve for x
    x = 55,340,338.44/10,527.21
  6. Step 6: Final answer
    x = 5,256.89

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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.