Home / 7,975.90-11,957.88-5,503.66

Finding the Fourth Proportional to 7,975.90, 11,957.88 and 5,503.66

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Solution

The fourth proportional to 7,975.90, 11,957.88 and 5,503.66 is: 8,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.90 : 11,957.88 = 5,503.66 : x
  2. Step 2: Convert to fraction form
    7,975.90/11,957.88 = 5,503.66/x
  3. Step 3: Cross multiply
    7,975.90x = 11,957.88 × 5,503.66
  4. Step 4: Simplify right side
    7,975.90x = 65,812,105.84
  5. Step 5: Solve for x
    x = 65,812,105.84/7,975.90
  6. Step 6: Final answer
    x = 8,251.37

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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.