Home / 7,665.84-11,487.62-4,371.98

Finding the Fourth Proportional to 7,665.84, 11,487.62 and 4,371.98

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Solution

The fourth proportional to 7,665.84, 11,487.62 and 4,371.98 is: 6,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.84 : 11,487.62 = 4,371.98 : x
  2. Step 2: Convert to fraction form
    7,665.84/11,487.62 = 4,371.98/x
  3. Step 3: Cross multiply
    7,665.84x = 11,487.62 × 4,371.98
  4. Step 4: Simplify right side
    7,665.84x = 50,223,644.89
  5. Step 5: Solve for x
    x = 50,223,644.89/7,665.84
  6. Step 6: Final answer
    x = 6,551.62

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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.