Home / 7,522.86-11,281.44-5,436.56

Finding the Fourth Proportional to 7,522.86, 11,281.44 and 5,436.56

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Solution

The fourth proportional to 7,522.86, 11,281.44 and 5,436.56 is: 8,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.86 : 11,281.44 = 5,436.56 : x
  2. Step 2: Convert to fraction form
    7,522.86/11,281.44 = 5,436.56/x
  3. Step 3: Cross multiply
    7,522.86x = 11,281.44 × 5,436.56
  4. Step 4: Simplify right side
    7,522.86x = 61,332,225.45
  5. Step 5: Solve for x
    x = 61,332,225.45/7,522.86
  6. Step 6: Final answer
    x = 8,152.78

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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.