Home / 8,109.90-11,191.47-4,573.23

Finding the Fourth Proportional to 8,109.90, 11,191.47 and 4,573.23

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Solution

The fourth proportional to 8,109.90, 11,191.47 and 4,573.23 is: 6,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.90 : 11,191.47 = 4,573.23 : x
  2. Step 2: Convert to fraction form
    8,109.90/11,191.47 = 4,573.23/x
  3. Step 3: Cross multiply
    8,109.90x = 11,191.47 × 4,573.23
  4. Step 4: Simplify right side
    8,109.90x = 51,181,166.35
  5. Step 5: Solve for x
    x = 51,181,166.35/8,109.90
  6. Step 6: Final answer
    x = 6,310.95

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Half scale
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Double scale
Find fourth proportional to 8,110.90, 11,192.85 and 4,574.23
Similar ratio
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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.