Home / 8,156.39-11,256.08-4,619.52

Finding the Fourth Proportional to 8,156.39, 11,256.08 and 4,619.52

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Solution

The fourth proportional to 8,156.39, 11,256.08 and 4,619.52 is: 6,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.39 : 11,256.08 = 4,619.52 : x
  2. Step 2: Convert to fraction form
    8,156.39/11,256.08 = 4,619.52/x
  3. Step 3: Cross multiply
    8,156.39x = 11,256.08 × 4,619.52
  4. Step 4: Simplify right side
    8,156.39x = 51,997,663.58
  5. Step 5: Solve for x
    x = 51,997,663.58/8,156.39
  6. Step 6: Final answer
    x = 6,375.09

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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.