Home / 7,535.53-10,399.16-4,178.49

Finding the Fourth Proportional to 7,535.53, 10,399.16 and 4,178.49

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Solution

The fourth proportional to 7,535.53, 10,399.16 and 4,178.49 is: 5,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.53 : 10,399.16 = 4,178.49 : x
  2. Step 2: Convert to fraction form
    7,535.53/10,399.16 = 4,178.49/x
  3. Step 3: Cross multiply
    7,535.53x = 10,399.16 × 4,178.49
  4. Step 4: Simplify right side
    7,535.53x = 43,452,748.35
  5. Step 5: Solve for x
    x = 43,452,748.35/7,535.53
  6. Step 6: Final answer
    x = 5,766.38

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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.