Home / 12,245.74-16,901.78-7,467.28

Finding the Fourth Proportional to 12,245.74, 16,901.78 and 7,467.28

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Solution

The fourth proportional to 12,245.74, 16,901.78 and 7,467.28 is: 10,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.74 : 16,901.78 = 7,467.28 : x
  2. Step 2: Convert to fraction form
    12,245.74/16,901.78 = 7,467.28/x
  3. Step 3: Cross multiply
    12,245.74x = 16,901.78 × 7,467.28
  4. Step 4: Simplify right side
    12,245.74x = 126,210,244.17
  5. Step 5: Solve for x
    x = 126,210,244.17/12,245.74
  6. Step 6: Final answer
    x = 10,306.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.