Home / 10,459.32-15,679.08-3,881.04

Finding the Fourth Proportional to 10,459.32, 15,679.08 and 3,881.04

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Solution

The fourth proportional to 10,459.32, 15,679.08 and 3,881.04 is: 5,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.32 : 15,679.08 = 3,881.04 : x
  2. Step 2: Convert to fraction form
    10,459.32/15,679.08 = 3,881.04/x
  3. Step 3: Cross multiply
    10,459.32x = 15,679.08 × 3,881.04
  4. Step 4: Simplify right side
    10,459.32x = 60,851,136.64
  5. Step 5: Solve for x
    x = 60,851,136.64/10,459.32
  6. Step 6: Final answer
    x = 5,817.89

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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.