Home / 10,624.22-15,940.26-4,384.78

Finding the Fourth Proportional to 10,624.22, 15,940.26 and 4,384.78

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Solution

The fourth proportional to 10,624.22, 15,940.26 and 4,384.78 is: 6,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.22 : 15,940.26 = 4,384.78 : x
  2. Step 2: Convert to fraction form
    10,624.22/15,940.26 = 4,384.78/x
  3. Step 3: Cross multiply
    10,624.22x = 15,940.26 × 4,384.78
  4. Step 4: Simplify right side
    10,624.22x = 69,894,533.24
  5. Step 5: Solve for x
    x = 69,894,533.24/10,624.22
  6. Step 6: Final answer
    x = 6,578.79

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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.