Home / 10,907.30-16,351.23-4,329.02

Finding the Fourth Proportional to 10,907.30, 16,351.23 and 4,329.02

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Solution

The fourth proportional to 10,907.30, 16,351.23 and 4,329.02 is: 6,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.30 : 16,351.23 = 4,329.02 : x
  2. Step 2: Convert to fraction form
    10,907.30/16,351.23 = 4,329.02/x
  3. Step 3: Cross multiply
    10,907.30x = 16,351.23 × 4,329.02
  4. Step 4: Simplify right side
    10,907.30x = 70,784,801.69
  5. Step 5: Solve for x
    x = 70,784,801.69/10,907.30
  6. Step 6: Final answer
    x = 6,489.67

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1.5x scale

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.