Home / 9,249.63-12,763.56-5,270.51

Finding the Fourth Proportional to 9,249.63, 12,763.56 and 5,270.51

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Solution

The fourth proportional to 9,249.63, 12,763.56 and 5,270.51 is: 7,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.63 : 12,763.56 = 5,270.51 : x
  2. Step 2: Convert to fraction form
    9,249.63/12,763.56 = 5,270.51/x
  3. Step 3: Cross multiply
    9,249.63x = 12,763.56 × 5,270.51
  4. Step 4: Simplify right side
    9,249.63x = 67,270,406.80
  5. Step 5: Solve for x
    x = 67,270,406.80/9,249.63
  6. Step 6: Final answer
    x = 7,272.77

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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.