Home / 9,905.36-14,856.21-3,331.40

Finding the Fourth Proportional to 9,905.36, 14,856.21 and 3,331.40

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Solution

The fourth proportional to 9,905.36, 14,856.21 and 3,331.40 is: 4,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.36 : 14,856.21 = 3,331.40 : x
  2. Step 2: Convert to fraction form
    9,905.36/14,856.21 = 3,331.40/x
  3. Step 3: Cross multiply
    9,905.36x = 14,856.21 × 3,331.40
  4. Step 4: Simplify right side
    9,905.36x = 49,491,903.71
  5. Step 5: Solve for x
    x = 49,491,903.71/9,905.36
  6. Step 6: Final answer
    x = 4,996.48

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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.