Home / 12,554.91-17,325.20-6,889.52

Finding the Fourth Proportional to 12,554.91, 17,325.20 and 6,889.52

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Solution

The fourth proportional to 12,554.91, 17,325.20 and 6,889.52 is: 9,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.91 : 17,325.20 = 6,889.52 : x
  2. Step 2: Convert to fraction form
    12,554.91/17,325.20 = 6,889.52/x
  3. Step 3: Cross multiply
    12,554.91x = 17,325.20 × 6,889.52
  4. Step 4: Simplify right side
    12,554.91x = 119,362,311.90
  5. Step 5: Solve for x
    x = 119,362,311.90/12,554.91
  6. Step 6: Final answer
    x = 9,507.22

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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.