Home / 9,857.46-13,603.26-5,381.16

Finding the Fourth Proportional to 9,857.46, 13,603.26 and 5,381.16

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Solution

The fourth proportional to 9,857.46, 13,603.26 and 5,381.16 is: 7,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.46 : 13,603.26 = 5,381.16 : x
  2. Step 2: Convert to fraction form
    9,857.46/13,603.26 = 5,381.16/x
  3. Step 3: Cross multiply
    9,857.46x = 13,603.26 × 5,381.16
  4. Step 4: Simplify right side
    9,857.46x = 73,201,318.58
  5. Step 5: Solve for x
    x = 73,201,318.58/9,857.46
  6. Step 6: Final answer
    x = 7,425.98

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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.