Home / 7,060.24-9,743.16-3,916.72

Finding the Fourth Proportional to 7,060.24, 9,743.16 and 3,916.72

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Solution

The fourth proportional to 7,060.24, 9,743.16 and 3,916.72 is: 5,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.24 : 9,743.16 = 3,916.72 : x
  2. Step 2: Convert to fraction form
    7,060.24/9,743.16 = 3,916.72/x
  3. Step 3: Cross multiply
    7,060.24x = 9,743.16 × 3,916.72
  4. Step 4: Simplify right side
    7,060.24x = 38,161,229.64
  5. Step 5: Solve for x
    x = 38,161,229.64/7,060.24
  6. Step 6: Final answer
    x = 5,405.09

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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.