Home / 10,157.04-15,235.95-3,136.42

Finding the Fourth Proportional to 10,157.04, 15,235.95 and 3,136.42

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Solution

The fourth proportional to 10,157.04, 15,235.95 and 3,136.42 is: 4,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.04 : 15,235.95 = 3,136.42 : x
  2. Step 2: Convert to fraction form
    10,157.04/15,235.95 = 3,136.42/x
  3. Step 3: Cross multiply
    10,157.04x = 15,235.95 × 3,136.42
  4. Step 4: Simplify right side
    10,157.04x = 47,786,338.30
  5. Step 5: Solve for x
    x = 47,786,338.30/10,157.04
  6. Step 6: Final answer
    x = 4,704.75

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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.