Home / 7,624.14-11,416.62-5,280.80

Finding the Fourth Proportional to 7,624.14, 11,416.62 and 5,280.80

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Solution

The fourth proportional to 7,624.14, 11,416.62 and 5,280.80 is: 7,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.14 : 11,416.62 = 5,280.80 : x
  2. Step 2: Convert to fraction form
    7,624.14/11,416.62 = 5,280.80/x
  3. Step 3: Cross multiply
    7,624.14x = 11,416.62 × 5,280.80
  4. Step 4: Simplify right side
    7,624.14x = 60,288,886.90
  5. Step 5: Solve for x
    x = 60,288,886.90/7,624.14
  6. Step 6: Final answer
    x = 7,907.63

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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.