Home / 7,535.72-10,399.64-5,013.79

Finding the Fourth Proportional to 7,535.72, 10,399.64 and 5,013.79

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Solution

The fourth proportional to 7,535.72, 10,399.64 and 5,013.79 is: 6,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.72 : 10,399.64 = 5,013.79 : x
  2. Step 2: Convert to fraction form
    7,535.72/10,399.64 = 5,013.79/x
  3. Step 3: Cross multiply
    7,535.72x = 10,399.64 × 5,013.79
  4. Step 4: Simplify right side
    7,535.72x = 52,141,559.97
  5. Step 5: Solve for x
    x = 52,141,559.97/7,535.72
  6. Step 6: Final answer
    x = 6,919.25

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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.