Home / 8,151.09-11,248.34-4,425.09

Finding the Fourth Proportional to 8,151.09, 11,248.34 and 4,425.09

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Solution

The fourth proportional to 8,151.09, 11,248.34 and 4,425.09 is: 6,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.09 : 11,248.34 = 4,425.09 : x
  2. Step 2: Convert to fraction form
    8,151.09/11,248.34 = 4,425.09/x
  3. Step 3: Cross multiply
    8,151.09x = 11,248.34 × 4,425.09
  4. Step 4: Simplify right side
    8,151.09x = 49,774,894.73
  5. Step 5: Solve for x
    x = 49,774,894.73/8,151.09
  6. Step 6: Final answer
    x = 6,106.53

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Half scale
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Double scale
Find fourth proportional to 8,152.09, 11,249.71 and 4,426.09
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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.