Home / 10,892.43-16,344.57-8,432.07

Finding the Fourth Proportional to 10,892.43, 16,344.57 and 8,432.07

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Solution

The fourth proportional to 10,892.43, 16,344.57 and 8,432.07 is: 12,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.43 : 16,344.57 = 8,432.07 : x
  2. Step 2: Convert to fraction form
    10,892.43/16,344.57 = 8,432.07/x
  3. Step 3: Cross multiply
    10,892.43x = 16,344.57 × 8,432.07
  4. Step 4: Simplify right side
    10,892.43x = 137,818,558.36
  5. Step 5: Solve for x
    x = 137,818,558.36/10,892.43
  6. Step 6: Final answer
    x = 12,652.69

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1.5x scale

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.