Home / 13,189.08-19,787.26-6,607.32

Finding the Fourth Proportional to 13,189.08, 19,787.26 and 6,607.32

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Solution

The fourth proportional to 13,189.08, 19,787.26 and 6,607.32 is: 9,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.08 : 19,787.26 = 6,607.32 : x
  2. Step 2: Convert to fraction form
    13,189.08/19,787.26 = 6,607.32/x
  3. Step 3: Cross multiply
    13,189.08x = 19,787.26 × 6,607.32
  4. Step 4: Simplify right side
    13,189.08x = 130,740,758.74
  5. Step 5: Solve for x
    x = 130,740,758.74/13,189.08
  6. Step 6: Final answer
    x = 9,912.80

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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.