Home / 9,755.72-13,463.70-5,564.36

Finding the Fourth Proportional to 9,755.72, 13,463.70 and 5,564.36

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Solution

The fourth proportional to 9,755.72, 13,463.70 and 5,564.36 is: 7,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.72 : 13,463.70 = 5,564.36 : x
  2. Step 2: Convert to fraction form
    9,755.72/13,463.70 = 5,564.36/x
  3. Step 3: Cross multiply
    9,755.72x = 13,463.70 × 5,564.36
  4. Step 4: Simplify right side
    9,755.72x = 74,916,873.73
  5. Step 5: Solve for x
    x = 74,916,873.73/9,755.72
  6. Step 6: Final answer
    x = 7,679.28

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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.