Home / 7,280.15-10,046.56-4,136.34

Finding the Fourth Proportional to 7,280.15, 10,046.56 and 4,136.34

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Solution

The fourth proportional to 7,280.15, 10,046.56 and 4,136.34 is: 5,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.15 : 10,046.56 = 4,136.34 : x
  2. Step 2: Convert to fraction form
    7,280.15/10,046.56 = 4,136.34/x
  3. Step 3: Cross multiply
    7,280.15x = 10,046.56 × 4,136.34
  4. Step 4: Simplify right side
    7,280.15x = 41,555,987.99
  5. Step 5: Solve for x
    x = 41,555,987.99/7,280.15
  6. Step 6: Final answer
    x = 5,708.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.