Home / 10,156.04-15,234.45-3,135.42

Finding the Fourth Proportional to 10,156.04, 15,234.45 and 3,135.42

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Solution

The fourth proportional to 10,156.04, 15,234.45 and 3,135.42 is: 4,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.04 : 15,234.45 = 3,135.42 : x
  2. Step 2: Convert to fraction form
    10,156.04/15,234.45 = 3,135.42/x
  3. Step 3: Cross multiply
    10,156.04x = 15,234.45 × 3,135.42
  4. Step 4: Simplify right side
    10,156.04x = 47,766,399.22
  5. Step 5: Solve for x
    x = 47,766,399.22/10,156.04
  6. Step 6: Final answer
    x = 4,703.25

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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.