Home / 9,858.66-13,604.43-5,381.55

Finding the Fourth Proportional to 9,858.66, 13,604.43 and 5,381.55

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Solution

The fourth proportional to 9,858.66, 13,604.43 and 5,381.55 is: 7,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.66 : 13,604.43 = 5,381.55 : x
  2. Step 2: Convert to fraction form
    9,858.66/13,604.43 = 5,381.55/x
  3. Step 3: Cross multiply
    9,858.66x = 13,604.43 × 5,381.55
  4. Step 4: Simplify right side
    9,858.66x = 73,212,852.24
  5. Step 5: Solve for x
    x = 73,212,852.24/9,858.66
  6. Step 6: Final answer
    x = 7,426.25

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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.