Home / 6,246.36-8,611.65-5,180.13

Finding the Fourth Proportional to 6,246.36, 8,611.65 and 5,180.13

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Solution

The fourth proportional to 6,246.36, 8,611.65 and 5,180.13 is: 7,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.36 : 8,611.65 = 5,180.13 : x
  2. Step 2: Convert to fraction form
    6,246.36/8,611.65 = 5,180.13/x
  3. Step 3: Cross multiply
    6,246.36x = 8,611.65 × 5,180.13
  4. Step 4: Simplify right side
    6,246.36x = 44,609,466.51
  5. Step 5: Solve for x
    x = 44,609,466.51/6,246.36
  6. Step 6: Final answer
    x = 7,141.67

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Half scale
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Double scale
Find fourth proportional to 6,247.36, 8,613.03 and 5,181.13
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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.