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Finding the Fourth Proportional to 12,671.32, 17,477.10 and 9,313

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Solution

The fourth proportional to 12,671.32, 17,477.10 and 9,313 is: 12,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.32 : 17,477.10 = 9,313 : x
  2. Step 2: Convert to fraction form
    12,671.32/17,477.10 = 9,313/x
  3. Step 3: Cross multiply
    12,671.32x = 17,477.10 × 9,313
  4. Step 4: Simplify right side
    12,671.32x = 162,764,232.30
  5. Step 5: Solve for x
    x = 162,764,232.30/12,671.32
  6. Step 6: Final answer
    x = 12,845.09

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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.