Home / 10,369.89-15,548.57-4,130.86

Finding the Fourth Proportional to 10,369.89, 15,548.57 and 4,130.86

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Solution

The fourth proportional to 10,369.89, 15,548.57 and 4,130.86 is: 6,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.89 : 15,548.57 = 4,130.86 : x
  2. Step 2: Convert to fraction form
    10,369.89/15,548.57 = 4,130.86/x
  3. Step 3: Cross multiply
    10,369.89x = 15,548.57 × 4,130.86
  4. Step 4: Simplify right side
    10,369.89x = 64,228,965.87
  5. Step 5: Solve for x
    x = 64,228,965.87/10,369.89
  6. Step 6: Final answer
    x = 6,193.79

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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.