Home / 7,925.31-11,883.15-5,457.39

Finding the Fourth Proportional to 7,925.31, 11,883.15 and 5,457.39

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Solution

The fourth proportional to 7,925.31, 11,883.15 and 5,457.39 is: 8,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.31 : 11,883.15 = 5,457.39 : x
  2. Step 2: Convert to fraction form
    7,925.31/11,883.15 = 5,457.39/x
  3. Step 3: Cross multiply
    7,925.31x = 11,883.15 × 5,457.39
  4. Step 4: Simplify right side
    7,925.31x = 64,850,983.98
  5. Step 5: Solve for x
    x = 64,850,983.98/7,925.31
  6. Step 6: Final answer
    x = 8,182.77

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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.