Home / 10,203.34-15,313.22-5,274.43

Finding the Fourth Proportional to 10,203.34, 15,313.22 and 5,274.43

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Solution

The fourth proportional to 10,203.34, 15,313.22 and 5,274.43 is: 7,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.34 : 15,313.22 = 5,274.43 : x
  2. Step 2: Convert to fraction form
    10,203.34/15,313.22 = 5,274.43/x
  3. Step 3: Cross multiply
    10,203.34x = 15,313.22 × 5,274.43
  4. Step 4: Simplify right side
    10,203.34x = 80,768,506.96
  5. Step 5: Solve for x
    x = 80,768,506.96/10,203.34
  6. Step 6: Final answer
    x = 7,915.89

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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.