Home / 7,674.32-11,485.56-4,755.08

Finding the Fourth Proportional to 7,674.32, 11,485.56 and 4,755.08

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Solution

The fourth proportional to 7,674.32, 11,485.56 and 4,755.08 is: 7,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.32 : 11,485.56 = 4,755.08 : x
  2. Step 2: Convert to fraction form
    7,674.32/11,485.56 = 4,755.08/x
  3. Step 3: Cross multiply
    7,674.32x = 11,485.56 × 4,755.08
  4. Step 4: Simplify right side
    7,674.32x = 54,614,756.64
  5. Step 5: Solve for x
    x = 54,614,756.64/7,674.32
  6. Step 6: Final answer
    x = 7,116.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.