Home / 10,915.04-16,361.01-4,339.46

Finding the Fourth Proportional to 10,915.04, 16,361.01 and 4,339.46

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Solution

The fourth proportional to 10,915.04, 16,361.01 and 4,339.46 is: 6,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.04 : 16,361.01 = 4,339.46 : x
  2. Step 2: Convert to fraction form
    10,915.04/16,361.01 = 4,339.46/x
  3. Step 3: Cross multiply
    10,915.04x = 16,361.01 × 4,339.46
  4. Step 4: Simplify right side
    10,915.04x = 70,997,866.65
  5. Step 5: Solve for x
    x = 70,997,866.65/10,915.04
  6. Step 6: Final answer
    x = 6,504.59

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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.