Home / 10,331.70-14,258.96-6,139.94

Finding the Fourth Proportional to 10,331.70, 14,258.96 and 6,139.94

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Solution

The fourth proportional to 10,331.70, 14,258.96 and 6,139.94 is: 8,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.70 : 14,258.96 = 6,139.94 : x
  2. Step 2: Convert to fraction form
    10,331.70/14,258.96 = 6,139.94/x
  3. Step 3: Cross multiply
    10,331.70x = 14,258.96 × 6,139.94
  4. Step 4: Simplify right side
    10,331.70x = 87,549,158.86
  5. Step 5: Solve for x
    x = 87,549,158.86/10,331.70
  6. Step 6: Final answer
    x = 8,473.84

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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.