Home / 9,286.24-12,805.68-5,562.40

Finding the Fourth Proportional to 9,286.24, 12,805.68 and 5,562.40

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Solution

The fourth proportional to 9,286.24, 12,805.68 and 5,562.40 is: 7,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.24 : 12,805.68 = 5,562.40 : x
  2. Step 2: Convert to fraction form
    9,286.24/12,805.68 = 5,562.40/x
  3. Step 3: Cross multiply
    9,286.24x = 12,805.68 × 5,562.40
  4. Step 4: Simplify right side
    9,286.24x = 71,230,314.43
  5. Step 5: Solve for x
    x = 71,230,314.43/9,286.24
  6. Step 6: Final answer
    x = 7,670.52

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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.