Home / 8,237.19-11,364.44-5,718.63

Finding the Fourth Proportional to 8,237.19, 11,364.44 and 5,718.63

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Solution

The fourth proportional to 8,237.19, 11,364.44 and 5,718.63 is: 7,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.19 : 11,364.44 = 5,718.63 : x
  2. Step 2: Convert to fraction form
    8,237.19/11,364.44 = 5,718.63/x
  3. Step 3: Cross multiply
    8,237.19x = 11,364.44 × 5,718.63
  4. Step 4: Simplify right side
    8,237.19x = 64,989,027.52
  5. Step 5: Solve for x
    x = 64,989,027.52/8,237.19
  6. Step 6: Final answer
    x = 7,889.71

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Half scale
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Double scale
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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.