Home / 9,249.67-12,762.08-5,270.70

Finding the Fourth Proportional to 9,249.67, 12,762.08 and 5,270.70

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Solution

The fourth proportional to 9,249.67, 12,762.08 and 5,270.70 is: 7,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.67 : 12,762.08 = 5,270.70 : x
  2. Step 2: Convert to fraction form
    9,249.67/12,762.08 = 5,270.70/x
  3. Step 3: Cross multiply
    9,249.67x = 12,762.08 × 5,270.70
  4. Step 4: Simplify right side
    9,249.67x = 67,265,095.06
  5. Step 5: Solve for x
    x = 67,265,095.06/9,249.67
  6. Step 6: Final answer
    x = 7,272.16

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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.