Home / 10,915.33-16,376-4,346.13

Finding the Fourth Proportional to 10,915.33, 16,376 and 4,346.13

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Solution

The fourth proportional to 10,915.33, 16,376 and 4,346.13 is: 6,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.33 : 16,376 = 4,346.13 : x
  2. Step 2: Convert to fraction form
    10,915.33/16,376 = 4,346.13/x
  3. Step 3: Cross multiply
    10,915.33x = 16,376 × 4,346.13
  4. Step 4: Simplify right side
    10,915.33x = 71,172,143
  5. Step 5: Solve for x
    x = 71,172,143/10,915.33
  6. Step 6: Final answer
    x = 6,520.39

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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.