Home / 9,177.55-13,758.09-3,330.07

Finding the Fourth Proportional to 9,177.55, 13,758.09 and 3,330.07

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Solution

The fourth proportional to 9,177.55, 13,758.09 and 3,330.07 is: 4,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.55 : 13,758.09 = 3,330.07 : x
  2. Step 2: Convert to fraction form
    9,177.55/13,758.09 = 3,330.07/x
  3. Step 3: Cross multiply
    9,177.55x = 13,758.09 × 3,330.07
  4. Step 4: Simplify right side
    9,177.55x = 45,815,402.77
  5. Step 5: Solve for x
    x = 45,815,402.77/9,177.55
  6. Step 6: Final answer
    x = 4,992.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.