Home / 10,436.30-15,651.68-4,515.24

Finding the Fourth Proportional to 10,436.30, 15,651.68 and 4,515.24

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Solution

The fourth proportional to 10,436.30, 15,651.68 and 4,515.24 is: 6,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.30 : 15,651.68 = 4,515.24 : x
  2. Step 2: Convert to fraction form
    10,436.30/15,651.68 = 4,515.24/x
  3. Step 3: Cross multiply
    10,436.30x = 15,651.68 × 4,515.24
  4. Step 4: Simplify right side
    10,436.30x = 70,671,091.60
  5. Step 5: Solve for x
    x = 70,671,091.60/10,436.30
  6. Step 6: Final answer
    x = 6,771.66

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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.