Home / 9,235.02-12,744.39-5,256.43

Finding the Fourth Proportional to 9,235.02, 12,744.39 and 5,256.43

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Solution

The fourth proportional to 9,235.02, 12,744.39 and 5,256.43 is: 7,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.02 : 12,744.39 = 5,256.43 : x
  2. Step 2: Convert to fraction form
    9,235.02/12,744.39 = 5,256.43/x
  3. Step 3: Cross multiply
    9,235.02x = 12,744.39 × 5,256.43
  4. Step 4: Simplify right side
    9,235.02x = 66,989,993.93
  5. Step 5: Solve for x
    x = 66,989,993.93/9,235.02
  6. Step 6: Final answer
    x = 7,253.91

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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.