Home / 10,915.08-16,374.38-4,341.32

Finding the Fourth Proportional to 10,915.08, 16,374.38 and 4,341.32

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Solution

The fourth proportional to 10,915.08, 16,374.38 and 4,341.32 is: 6,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.08 : 16,374.38 = 4,341.32 : x
  2. Step 2: Convert to fraction form
    10,915.08/16,374.38 = 4,341.32/x
  3. Step 3: Cross multiply
    10,915.08x = 16,374.38 × 4,341.32
  4. Step 4: Simplify right side
    10,915.08x = 71,086,423.38
  5. Step 5: Solve for x
    x = 71,086,423.38/10,915.08
  6. Step 6: Final answer
    x = 6,512.68

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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.