Home / 11,708.76-16,158.05-6,331.16

Finding the Fourth Proportional to 11,708.76, 16,158.05 and 6,331.16

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Solution

The fourth proportional to 11,708.76, 16,158.05 and 6,331.16 is: 8,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.76 : 16,158.05 = 6,331.16 : x
  2. Step 2: Convert to fraction form
    11,708.76/16,158.05 = 6,331.16/x
  3. Step 3: Cross multiply
    11,708.76x = 16,158.05 × 6,331.16
  4. Step 4: Simplify right side
    11,708.76x = 102,299,222.49
  5. Step 5: Solve for x
    x = 102,299,222.49/11,708.76
  6. Step 6: Final answer
    x = 8,736.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.