Home / 12,588.50-17,372.13-6,923.35

Finding the Fourth Proportional to 12,588.50, 17,372.13 and 6,923.35

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Solution

The fourth proportional to 12,588.50, 17,372.13 and 6,923.35 is: 9,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.50 : 17,372.13 = 6,923.35 : x
  2. Step 2: Convert to fraction form
    12,588.50/17,372.13 = 6,923.35/x
  3. Step 3: Cross multiply
    12,588.50x = 17,372.13 × 6,923.35
  4. Step 4: Simplify right side
    12,588.50x = 120,273,336.24
  5. Step 5: Solve for x
    x = 120,273,336.24/12,588.50
  6. Step 6: Final answer
    x = 9,554.22

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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.