Home / 9,858.17-13,604.35-5,382.01

Finding the Fourth Proportional to 9,858.17, 13,604.35 and 5,382.01

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Solution

The fourth proportional to 9,858.17, 13,604.35 and 5,382.01 is: 7,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.17 : 13,604.35 = 5,382.01 : x
  2. Step 2: Convert to fraction form
    9,858.17/13,604.35 = 5,382.01/x
  3. Step 3: Cross multiply
    9,858.17x = 13,604.35 × 5,382.01
  4. Step 4: Simplify right side
    9,858.17x = 73,218,720.83
  5. Step 5: Solve for x
    x = 73,218,720.83/9,858.17
  6. Step 6: Final answer
    x = 7,427.21

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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.