Home / 8,051.29-11,111.47-4,515.19

Finding the Fourth Proportional to 8,051.29, 11,111.47 and 4,515.19

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Solution

The fourth proportional to 8,051.29, 11,111.47 and 4,515.19 is: 6,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.29 : 11,111.47 = 4,515.19 : x
  2. Step 2: Convert to fraction form
    8,051.29/11,111.47 = 4,515.19/x
  3. Step 3: Cross multiply
    8,051.29x = 11,111.47 × 4,515.19
  4. Step 4: Simplify right side
    8,051.29x = 50,170,359.16
  5. Step 5: Solve for x
    x = 50,170,359.16/8,051.29
  6. Step 6: Final answer
    x = 6,231.35

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Half scale
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Double scale
Find fourth proportional to 8,052.29, 11,112.85 and 4,516.19
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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.