Home / 9,038.28-12,471.39-5,059.56

Finding the Fourth Proportional to 9,038.28, 12,471.39 and 5,059.56

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Solution

The fourth proportional to 9,038.28, 12,471.39 and 5,059.56 is: 6,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.28 : 12,471.39 = 5,059.56 : x
  2. Step 2: Convert to fraction form
    9,038.28/12,471.39 = 5,059.56/x
  3. Step 3: Cross multiply
    9,038.28x = 12,471.39 × 5,059.56
  4. Step 4: Simplify right side
    9,038.28x = 63,099,745.99
  5. Step 5: Solve for x
    x = 63,099,745.99/9,038.28
  6. Step 6: Final answer
    x = 6,981.39

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Half scale
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Double scale
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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.