Home / 7,421.36-11,116.92-5,952.56

Finding the Fourth Proportional to 7,421.36, 11,116.92 and 5,952.56

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Solution

The fourth proportional to 7,421.36, 11,116.92 and 5,952.56 is: 8,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.36 : 11,116.92 = 5,952.56 : x
  2. Step 2: Convert to fraction form
    7,421.36/11,116.92 = 5,952.56/x
  3. Step 3: Cross multiply
    7,421.36x = 11,116.92 × 5,952.56
  4. Step 4: Simplify right side
    7,421.36x = 66,174,133.32
  5. Step 5: Solve for x
    x = 66,174,133.32/7,421.36
  6. Step 6: Final answer
    x = 8,916.71

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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.