Home / 10,886.92-16,331.12-4,313.10

Finding the Fourth Proportional to 10,886.92, 16,331.12 and 4,313.10

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Solution

The fourth proportional to 10,886.92, 16,331.12 and 4,313.10 is: 6,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.92 : 16,331.12 = 4,313.10 : x
  2. Step 2: Convert to fraction form
    10,886.92/16,331.12 = 4,313.10/x
  3. Step 3: Cross multiply
    10,886.92x = 16,331.12 × 4,313.10
  4. Step 4: Simplify right side
    10,886.92x = 70,437,682.80
  5. Step 5: Solve for x
    x = 70,437,682.80/10,886.92
  6. Step 6: Final answer
    x = 6,469.94

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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.