Home / 10,158.84-15,234.43-3,493.45

Finding the Fourth Proportional to 10,158.84, 15,234.43 and 3,493.45

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Solution

The fourth proportional to 10,158.84, 15,234.43 and 3,493.45 is: 5,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.84 : 15,234.43 = 3,493.45 : x
  2. Step 2: Convert to fraction form
    10,158.84/15,234.43 = 3,493.45/x
  3. Step 3: Cross multiply
    10,158.84x = 15,234.43 × 3,493.45
  4. Step 4: Simplify right side
    10,158.84x = 53,220,719.48
  5. Step 5: Solve for x
    x = 53,220,719.48/10,158.84
  6. Step 6: Final answer
    x = 5,238.86

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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.