Home / 10,455.32-15,673.08-3,877.04

Finding the Fourth Proportional to 10,455.32, 15,673.08 and 3,877.04

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Solution

The fourth proportional to 10,455.32, 15,673.08 and 3,877.04 is: 5,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.32 : 15,673.08 = 3,877.04 : x
  2. Step 2: Convert to fraction form
    10,455.32/15,673.08 = 3,877.04/x
  3. Step 3: Cross multiply
    10,455.32x = 15,673.08 × 3,877.04
  4. Step 4: Simplify right side
    10,455.32x = 60,765,158.08
  5. Step 5: Solve for x
    x = 60,765,158.08/10,455.32
  6. Step 6: Final answer
    x = 5,811.89

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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.