Home / 9,527.45-13,147.46-5,278.49

Finding the Fourth Proportional to 9,527.45, 13,147.46 and 5,278.49

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Solution

The fourth proportional to 9,527.45, 13,147.46 and 5,278.49 is: 7,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.45 : 13,147.46 = 5,278.49 : x
  2. Step 2: Convert to fraction form
    9,527.45/13,147.46 = 5,278.49/x
  3. Step 3: Cross multiply
    9,527.45x = 13,147.46 × 5,278.49
  4. Step 4: Simplify right side
    9,527.45x = 69,398,644.01
  5. Step 5: Solve for x
    x = 69,398,644.01/9,527.45
  6. Step 6: Final answer
    x = 7,284.08

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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.