Home / 7,372.16-11,054.76-2,688.86

Finding the Fourth Proportional to 7,372.16, 11,054.76 and 2,688.86

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Solution

The fourth proportional to 7,372.16, 11,054.76 and 2,688.86 is: 4,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.16 : 11,054.76 = 2,688.86 : x
  2. Step 2: Convert to fraction form
    7,372.16/11,054.76 = 2,688.86/x
  3. Step 3: Cross multiply
    7,372.16x = 11,054.76 × 2,688.86
  4. Step 4: Simplify right side
    7,372.16x = 29,724,701.97
  5. Step 5: Solve for x
    x = 29,724,701.97/7,372.16
  6. Step 6: Final answer
    x = 4,032.02

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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.