Home / 7,150.63-10,726.23-2,220.16

Finding the Fourth Proportional to 7,150.63, 10,726.23 and 2,220.16

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Solution

The fourth proportional to 7,150.63, 10,726.23 and 2,220.16 is: 3,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.63 : 10,726.23 = 2,220.16 : x
  2. Step 2: Convert to fraction form
    7,150.63/10,726.23 = 2,220.16/x
  3. Step 3: Cross multiply
    7,150.63x = 10,726.23 × 2,220.16
  4. Step 4: Simplify right side
    7,150.63x = 23,813,946.80
  5. Step 5: Solve for x
    x = 23,813,946.80/7,150.63
  6. Step 6: Final answer
    x = 3,330.33

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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.