Home / 10,176.81-15,245.41-7,503.53

Finding the Fourth Proportional to 10,176.81, 15,245.41 and 7,503.53

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Solution

The fourth proportional to 10,176.81, 15,245.41 and 7,503.53 is: 11,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.81 : 15,245.41 = 7,503.53 : x
  2. Step 2: Convert to fraction form
    10,176.81/15,245.41 = 7,503.53/x
  3. Step 3: Cross multiply
    10,176.81x = 15,245.41 × 7,503.53
  4. Step 4: Simplify right side
    10,176.81x = 114,394,391.30
  5. Step 5: Solve for x
    x = 114,394,391.30/10,176.81
  6. Step 6: Final answer
    x = 11,240.69

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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.