Home / 9,741.42-13,443.93-5,549.58

Finding the Fourth Proportional to 9,741.42, 13,443.93 and 5,549.58

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Solution

The fourth proportional to 9,741.42, 13,443.93 and 5,549.58 is: 7,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.42 : 13,443.93 = 5,549.58 : x
  2. Step 2: Convert to fraction form
    9,741.42/13,443.93 = 5,549.58/x
  3. Step 3: Cross multiply
    9,741.42x = 13,443.93 × 5,549.58
  4. Step 4: Simplify right side
    9,741.42x = 74,608,165.05
  5. Step 5: Solve for x
    x = 74,608,165.05/9,741.42
  6. Step 6: Final answer
    x = 7,658.86

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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.