Home / 10,223.77-15,336.53-2,828.23

Finding the Fourth Proportional to 10,223.77, 15,336.53 and 2,828.23

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Solution

The fourth proportional to 10,223.77, 15,336.53 and 2,828.23 is: 4,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.77 : 15,336.53 = 2,828.23 : x
  2. Step 2: Convert to fraction form
    10,223.77/15,336.53 = 2,828.23/x
  3. Step 3: Cross multiply
    10,223.77x = 15,336.53 × 2,828.23
  4. Step 4: Simplify right side
    10,223.77x = 43,375,220.10
  5. Step 5: Solve for x
    x = 43,375,220.10/10,223.77
  6. Step 6: Final answer
    x = 4,242.59

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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.