Home / 9,190.13-12,682.37-4,998.38

Finding the Fourth Proportional to 9,190.13, 12,682.37 and 4,998.38

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Solution

The fourth proportional to 9,190.13, 12,682.37 and 4,998.38 is: 6,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.13 : 12,682.37 = 4,998.38 : x
  2. Step 2: Convert to fraction form
    9,190.13/12,682.37 = 4,998.38/x
  3. Step 3: Cross multiply
    9,190.13x = 12,682.37 × 4,998.38
  4. Step 4: Simplify right side
    9,190.13x = 63,391,253.64
  5. Step 5: Solve for x
    x = 63,391,253.64/9,190.13
  6. Step 6: Final answer
    x = 6,897.76

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Half scale
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Double scale
Find fourth proportional to 9,191.13, 12,683.75 and 4,999.38
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.