Home / 11,770.38-16,243.47-6,465.24

Finding the Fourth Proportional to 11,770.38, 16,243.47 and 6,465.24

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Solution

The fourth proportional to 11,770.38, 16,243.47 and 6,465.24 is: 8,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.38 : 16,243.47 = 6,465.24 : x
  2. Step 2: Convert to fraction form
    11,770.38/16,243.47 = 6,465.24/x
  3. Step 3: Cross multiply
    11,770.38x = 16,243.47 × 6,465.24
  4. Step 4: Simplify right side
    11,770.38x = 105,017,931.98
  5. Step 5: Solve for x
    x = 105,017,931.98/11,770.38
  6. Step 6: Final answer
    x = 8,922.22

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Double scale
Find fourth proportional to 11,771.38, 16,244.85 and 6,466.24
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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.