Home / 8,022.72-11,071.32-4,486.32

Finding the Fourth Proportional to 8,022.72, 11,071.32 and 4,486.32

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Solution

The fourth proportional to 8,022.72, 11,071.32 and 4,486.32 is: 6,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.72 : 11,071.32 = 4,486.32 : x
  2. Step 2: Convert to fraction form
    8,022.72/11,071.32 = 4,486.32/x
  3. Step 3: Cross multiply
    8,022.72x = 11,071.32 × 4,486.32
  4. Step 4: Simplify right side
    8,022.72x = 49,669,484.34
  5. Step 5: Solve for x
    x = 49,669,484.34/8,022.72
  6. Step 6: Final answer
    x = 6,191.10

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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.