Home / 12,115.32-16,697.34-8,966.04

Finding the Fourth Proportional to 12,115.32, 16,697.34 and 8,966.04

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Solution

The fourth proportional to 12,115.32, 16,697.34 and 8,966.04 is: 12,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.32 : 16,697.34 = 8,966.04 : x
  2. Step 2: Convert to fraction form
    12,115.32/16,697.34 = 8,966.04/x
  3. Step 3: Cross multiply
    12,115.32x = 16,697.34 × 8,966.04
  4. Step 4: Simplify right side
    12,115.32x = 149,709,018.33
  5. Step 5: Solve for x
    x = 149,709,018.33/12,115.32
  6. Step 6: Final answer
    x = 12,357.00

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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.