Home / 7,858.62-11,784.15-4,572.45

Finding the Fourth Proportional to 7,858.62, 11,784.15 and 4,572.45

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Solution

The fourth proportional to 7,858.62, 11,784.15 and 4,572.45 is: 6,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.62 : 11,784.15 = 4,572.45 : x
  2. Step 2: Convert to fraction form
    7,858.62/11,784.15 = 4,572.45/x
  3. Step 3: Cross multiply
    7,858.62x = 11,784.15 × 4,572.45
  4. Step 4: Simplify right side
    7,858.62x = 53,882,436.67
  5. Step 5: Solve for x
    x = 53,882,436.67/7,858.62
  6. Step 6: Final answer
    x = 6,856.48

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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.