Home / 10,367.49-15,546.60-2,970.21

Finding the Fourth Proportional to 10,367.49, 15,546.60 and 2,970.21

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Solution

The fourth proportional to 10,367.49, 15,546.60 and 2,970.21 is: 4,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.49 : 15,546.60 = 2,970.21 : x
  2. Step 2: Convert to fraction form
    10,367.49/15,546.60 = 2,970.21/x
  3. Step 3: Cross multiply
    10,367.49x = 15,546.60 × 2,970.21
  4. Step 4: Simplify right side
    10,367.49x = 46,176,666.79
  5. Step 5: Solve for x
    x = 46,176,666.79/10,367.49
  6. Step 6: Final answer
    x = 4,453.99

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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.