Home / 12,711.08-17,535.44-8,236.32

Finding the Fourth Proportional to 12,711.08, 17,535.44 and 8,236.32

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Solution

The fourth proportional to 12,711.08, 17,535.44 and 8,236.32 is: 11,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.08 : 17,535.44 = 8,236.32 : x
  2. Step 2: Convert to fraction form
    12,711.08/17,535.44 = 8,236.32/x
  3. Step 3: Cross multiply
    12,711.08x = 17,535.44 × 8,236.32
  4. Step 4: Simplify right side
    12,711.08x = 144,427,495.18
  5. Step 5: Solve for x
    x = 144,427,495.18/12,711.08
  6. Step 6: Final answer
    x = 11,362.33

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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.