Home / 9,434.14-13,018.32-5,455.49

Finding the Fourth Proportional to 9,434.14, 13,018.32 and 5,455.49

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Solution

The fourth proportional to 9,434.14, 13,018.32 and 5,455.49 is: 7,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.14 : 13,018.32 = 5,455.49 : x
  2. Step 2: Convert to fraction form
    9,434.14/13,018.32 = 5,455.49/x
  3. Step 3: Cross multiply
    9,434.14x = 13,018.32 × 5,455.49
  4. Step 4: Simplify right side
    9,434.14x = 71,021,249.49
  5. Step 5: Solve for x
    x = 71,021,249.49/9,434.14
  6. Step 6: Final answer
    x = 7,528.11

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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.