Home / 9,858.46-13,604.64-5,382.16

Finding the Fourth Proportional to 9,858.46, 13,604.64 and 5,382.16

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Solution

The fourth proportional to 9,858.46, 13,604.64 and 5,382.16 is: 7,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.46 : 13,604.64 = 5,382.16 : x
  2. Step 2: Convert to fraction form
    9,858.46/13,604.64 = 5,382.16/x
  3. Step 3: Cross multiply
    9,858.46x = 13,604.64 × 5,382.16
  4. Step 4: Simplify right side
    9,858.46x = 73,222,349.22
  5. Step 5: Solve for x
    x = 73,222,349.22/9,858.46
  6. Step 6: Final answer
    x = 7,427.36

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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.