Home / 9,239.80-12,751.68-5,262.16

Finding the Fourth Proportional to 9,239.80, 12,751.68 and 5,262.16

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Solution

The fourth proportional to 9,239.80, 12,751.68 and 5,262.16 is: 7,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.80 : 12,751.68 = 5,262.16 : x
  2. Step 2: Convert to fraction form
    9,239.80/12,751.68 = 5,262.16/x
  3. Step 3: Cross multiply
    9,239.80x = 12,751.68 × 5,262.16
  4. Step 4: Simplify right side
    9,239.80x = 67,101,380.43
  5. Step 5: Solve for x
    x = 67,101,380.43/9,239.80
  6. Step 6: Final answer
    x = 7,262.21

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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.