Home / 10,256.08-15,388.38-4,916.56

Finding the Fourth Proportional to 10,256.08, 15,388.38 and 4,916.56

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Solution

The fourth proportional to 10,256.08, 15,388.38 and 4,916.56 is: 7,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.08 : 15,388.38 = 4,916.56 : x
  2. Step 2: Convert to fraction form
    10,256.08/15,388.38 = 4,916.56/x
  3. Step 3: Cross multiply
    10,256.08x = 15,388.38 × 4,916.56
  4. Step 4: Simplify right side
    10,256.08x = 75,657,893.57
  5. Step 5: Solve for x
    x = 75,657,893.57/10,256.08
  6. Step 6: Final answer
    x = 7,376.88

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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.