Home / 7,746.56-11,613.31-3,360.72

Finding the Fourth Proportional to 7,746.56, 11,613.31 and 3,360.72

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Solution

The fourth proportional to 7,746.56, 11,613.31 and 3,360.72 is: 5,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.56 : 11,613.31 = 3,360.72 : x
  2. Step 2: Convert to fraction form
    7,746.56/11,613.31 = 3,360.72/x
  3. Step 3: Cross multiply
    7,746.56x = 11,613.31 × 3,360.72
  4. Step 4: Simplify right side
    7,746.56x = 39,029,083.18
  5. Step 5: Solve for x
    x = 39,029,083.18/7,746.56
  6. Step 6: Final answer
    x = 5,038.25

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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.