Home / 7,975.34-11,005.96-4,439.38

Finding the Fourth Proportional to 7,975.34, 11,005.96 and 4,439.38

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Solution

The fourth proportional to 7,975.34, 11,005.96 and 4,439.38 is: 6,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.34 : 11,005.96 = 4,439.38 : x
  2. Step 2: Convert to fraction form
    7,975.34/11,005.96 = 4,439.38/x
  3. Step 3: Cross multiply
    7,975.34x = 11,005.96 × 4,439.38
  4. Step 4: Simplify right side
    7,975.34x = 48,859,678.73
  5. Step 5: Solve for x
    x = 48,859,678.73/7,975.34
  6. Step 6: Final answer
    x = 6,126.35

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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.