Home / 8,223.32-11,350.33-5,077.69

Finding the Fourth Proportional to 8,223.32, 11,350.33 and 5,077.69

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Solution

The fourth proportional to 8,223.32, 11,350.33 and 5,077.69 is: 7,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.32 : 11,350.33 = 5,077.69 : x
  2. Step 2: Convert to fraction form
    8,223.32/11,350.33 = 5,077.69/x
  3. Step 3: Cross multiply
    8,223.32x = 11,350.33 × 5,077.69
  4. Step 4: Simplify right side
    8,223.32x = 57,633,416.07
  5. Step 5: Solve for x
    x = 57,633,416.07/8,223.32
  6. Step 6: Final answer
    x = 7,008.53

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Half scale
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Double scale
Find fourth proportional to 8,224.32, 11,351.71 and 5,078.69
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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.