Home / 7,925.10-11,889.81-5,699.76

Finding the Fourth Proportional to 7,925.10, 11,889.81 and 5,699.76

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Solution

The fourth proportional to 7,925.10, 11,889.81 and 5,699.76 is: 8,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.10 : 11,889.81 = 5,699.76 : x
  2. Step 2: Convert to fraction form
    7,925.10/11,889.81 = 5,699.76/x
  3. Step 3: Cross multiply
    7,925.10x = 11,889.81 × 5,699.76
  4. Step 4: Simplify right side
    7,925.10x = 67,769,063.45
  5. Step 5: Solve for x
    x = 67,769,063.45/7,925.10
  6. Step 6: Final answer
    x = 8,551.19

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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.