Home / 12,533.57-18,774.81-5,939.76

Finding the Fourth Proportional to 12,533.57, 18,774.81 and 5,939.76

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Solution

The fourth proportional to 12,533.57, 18,774.81 and 5,939.76 is: 8,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.57 : 18,774.81 = 5,939.76 : x
  2. Step 2: Convert to fraction form
    12,533.57/18,774.81 = 5,939.76/x
  3. Step 3: Cross multiply
    12,533.57x = 18,774.81 × 5,939.76
  4. Step 4: Simplify right side
    12,533.57x = 111,517,865.45
  5. Step 5: Solve for x
    x = 111,517,865.45/12,533.57
  6. Step 6: Final answer
    x = 8,897.53

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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.