Home / 9,537.72-13,166.58-5,558.16

Finding the Fourth Proportional to 9,537.72, 13,166.58 and 5,558.16

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Solution

The fourth proportional to 9,537.72, 13,166.58 and 5,558.16 is: 7,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.72 : 13,166.58 = 5,558.16 : x
  2. Step 2: Convert to fraction form
    9,537.72/13,166.58 = 5,558.16/x
  3. Step 3: Cross multiply
    9,537.72x = 13,166.58 × 5,558.16
  4. Step 4: Simplify right side
    9,537.72x = 73,181,958.29
  5. Step 5: Solve for x
    x = 73,181,958.29/9,537.72
  6. Step 6: Final answer
    x = 7,672.90

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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.