Home / 11,205.03-15,463.34-6,425.71

Finding the Fourth Proportional to 11,205.03, 15,463.34 and 6,425.71

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Solution

The fourth proportional to 11,205.03, 15,463.34 and 6,425.71 is: 8,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.03 : 15,463.34 = 6,425.71 : x
  2. Step 2: Convert to fraction form
    11,205.03/15,463.34 = 6,425.71/x
  3. Step 3: Cross multiply
    11,205.03x = 15,463.34 × 6,425.71
  4. Step 4: Simplify right side
    11,205.03x = 99,362,938.47
  5. Step 5: Solve for x
    x = 99,362,938.47/11,205.03
  6. Step 6: Final answer
    x = 8,867.71

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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.