Home / 7,248.82-10,876.35-3,916.40

Finding the Fourth Proportional to 7,248.82, 10,876.35 and 3,916.40

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Solution

The fourth proportional to 7,248.82, 10,876.35 and 3,916.40 is: 5,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.82 : 10,876.35 = 3,916.40 : x
  2. Step 2: Convert to fraction form
    7,248.82/10,876.35 = 3,916.40/x
  3. Step 3: Cross multiply
    7,248.82x = 10,876.35 × 3,916.40
  4. Step 4: Simplify right side
    7,248.82x = 42,596,137.14
  5. Step 5: Solve for x
    x = 42,596,137.14/7,248.82
  6. Step 6: Final answer
    x = 5,876.29

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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.