Home / 7,872.43-11,804.88-4,586.46

Finding the Fourth Proportional to 7,872.43, 11,804.88 and 4,586.46

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Solution

The fourth proportional to 7,872.43, 11,804.88 and 4,586.46 is: 6,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.43 : 11,804.88 = 4,586.46 : x
  2. Step 2: Convert to fraction form
    7,872.43/11,804.88 = 4,586.46/x
  3. Step 3: Cross multiply
    7,872.43x = 11,804.88 × 4,586.46
  4. Step 4: Simplify right side
    7,872.43x = 54,142,609.92
  5. Step 5: Solve for x
    x = 54,142,609.92/7,872.43
  6. Step 6: Final answer
    x = 6,877.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.