Home / 7,396.16-10,206.36-4,039.12

Finding the Fourth Proportional to 7,396.16, 10,206.36 and 4,039.12

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Solution

The fourth proportional to 7,396.16, 10,206.36 and 4,039.12 is: 5,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.16 : 10,206.36 = 4,039.12 : x
  2. Step 2: Convert to fraction form
    7,396.16/10,206.36 = 4,039.12/x
  3. Step 3: Cross multiply
    7,396.16x = 10,206.36 × 4,039.12
  4. Step 4: Simplify right side
    7,396.16x = 41,224,712.80
  5. Step 5: Solve for x
    x = 41,224,712.80/7,396.16
  6. Step 6: Final answer
    x = 5,573.80

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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.