Home / 9,273.52-12,790.68-6,756.40

Finding the Fourth Proportional to 9,273.52, 12,790.68 and 6,756.40

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Solution

The fourth proportional to 9,273.52, 12,790.68 and 6,756.40 is: 9,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.52 : 12,790.68 = 6,756.40 : x
  2. Step 2: Convert to fraction form
    9,273.52/12,790.68 = 6,756.40/x
  3. Step 3: Cross multiply
    9,273.52x = 12,790.68 × 6,756.40
  4. Step 4: Simplify right side
    9,273.52x = 86,418,950.35
  5. Step 5: Solve for x
    x = 86,418,950.35/9,273.52
  6. Step 6: Final answer
    x = 9,318.89

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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.