Home / 12,483.27-17,227.05-6,818.18

Finding the Fourth Proportional to 12,483.27, 17,227.05 and 6,818.18

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Solution

The fourth proportional to 12,483.27, 17,227.05 and 6,818.18 is: 9,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.27 : 17,227.05 = 6,818.18 : x
  2. Step 2: Convert to fraction form
    12,483.27/17,227.05 = 6,818.18/x
  3. Step 3: Cross multiply
    12,483.27x = 17,227.05 × 6,818.18
  4. Step 4: Simplify right side
    12,483.27x = 117,457,093.68
  5. Step 5: Solve for x
    x = 117,457,093.68/12,483.27
  6. Step 6: Final answer
    x = 9,409.16

Related Problems

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Half scale
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Double scale
Find fourth proportional to 12,484.27, 17,228.43 and 6,819.18
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.