Home / 11,903.19-17,856.83-4,887.02

Finding the Fourth Proportional to 11,903.19, 17,856.83 and 4,887.02

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Solution

The fourth proportional to 11,903.19, 17,856.83 and 4,887.02 is: 7,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.19 : 17,856.83 = 4,887.02 : x
  2. Step 2: Convert to fraction form
    11,903.19/17,856.83 = 4,887.02/x
  3. Step 3: Cross multiply
    11,903.19x = 17,856.83 × 4,887.02
  4. Step 4: Simplify right side
    11,903.19x = 87,266,571.63
  5. Step 5: Solve for x
    x = 87,266,571.63/11,903.19
  6. Step 6: Final answer
    x = 7,331.36

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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.