Home / 9,857.43-13,603.37-5,381.24

Finding the Fourth Proportional to 9,857.43, 13,603.37 and 5,381.24

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Solution

The fourth proportional to 9,857.43, 13,603.37 and 5,381.24 is: 7,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.43 : 13,603.37 = 5,381.24 : x
  2. Step 2: Convert to fraction form
    9,857.43/13,603.37 = 5,381.24/x
  3. Step 3: Cross multiply
    9,857.43x = 13,603.37 × 5,381.24
  4. Step 4: Simplify right side
    9,857.43x = 73,202,903.86
  5. Step 5: Solve for x
    x = 73,202,903.86/9,857.43
  6. Step 6: Final answer
    x = 7,426.17

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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.