Home / 8,071.98-11,139.48-4,535.19

Finding the Fourth Proportional to 8,071.98, 11,139.48 and 4,535.19

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Solution

The fourth proportional to 8,071.98, 11,139.48 and 4,535.19 is: 6,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.98 : 11,139.48 = 4,535.19 : x
  2. Step 2: Convert to fraction form
    8,071.98/11,139.48 = 4,535.19/x
  3. Step 3: Cross multiply
    8,071.98x = 11,139.48 × 4,535.19
  4. Step 4: Simplify right side
    8,071.98x = 50,519,658.30
  5. Step 5: Solve for x
    x = 50,519,658.30/8,071.98
  6. Step 6: Final answer
    x = 6,258.65

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Half scale
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Double scale
Find fourth proportional to 8,072.98, 11,140.86 and 4,536.19
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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.