Home / 9,377.24-12,950.27-8,112.21

Finding the Fourth Proportional to 9,377.24, 12,950.27 and 8,112.21

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Solution

The fourth proportional to 9,377.24, 12,950.27 and 8,112.21 is: 11,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.24 : 12,950.27 = 8,112.21 : x
  2. Step 2: Convert to fraction form
    9,377.24/12,950.27 = 8,112.21/x
  3. Step 3: Cross multiply
    9,377.24x = 12,950.27 × 8,112.21
  4. Step 4: Simplify right side
    9,377.24x = 105,055,269.24
  5. Step 5: Solve for x
    x = 105,055,269.24/9,377.24
  6. Step 6: Final answer
    x = 11,203.22

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Double scale
Find fourth proportional to 9,378.24, 12,951.65 and 8,113.21
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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.