Home / 9,203.43-12,700.79-5,224.61

Finding the Fourth Proportional to 9,203.43, 12,700.79 and 5,224.61

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Solution

The fourth proportional to 9,203.43, 12,700.79 and 5,224.61 is: 7,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.43 : 12,700.79 = 5,224.61 : x
  2. Step 2: Convert to fraction form
    9,203.43/12,700.79 = 5,224.61/x
  3. Step 3: Cross multiply
    9,203.43x = 12,700.79 × 5,224.61
  4. Step 4: Simplify right side
    9,203.43x = 66,356,699.66
  5. Step 5: Solve for x
    x = 66,356,699.66/9,203.43
  6. Step 6: Final answer
    x = 7,209.99

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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.