Home / 8,187.09-11,298.18-4,650.22

Finding the Fourth Proportional to 8,187.09, 11,298.18 and 4,650.22

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Solution

The fourth proportional to 8,187.09, 11,298.18 and 4,650.22 is: 6,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.09 : 11,298.18 = 4,650.22 : x
  2. Step 2: Convert to fraction form
    8,187.09/11,298.18 = 4,650.22/x
  3. Step 3: Cross multiply
    8,187.09x = 11,298.18 × 4,650.22
  4. Step 4: Simplify right side
    8,187.09x = 52,539,022.60
  5. Step 5: Solve for x
    x = 52,539,022.60/8,187.09
  6. Step 6: Final answer
    x = 6,417.30

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Half scale
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Double scale
Find fourth proportional to 8,188.09, 11,299.56 and 4,651.22
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.