Home / 12,588.76-17,372.55-6,923.62

Finding the Fourth Proportional to 12,588.76, 17,372.55 and 6,923.62

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Solution

The fourth proportional to 12,588.76, 17,372.55 and 6,923.62 is: 9,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.76 : 17,372.55 = 6,923.62 : x
  2. Step 2: Convert to fraction form
    12,588.76/17,372.55 = 6,923.62/x
  3. Step 3: Cross multiply
    12,588.76x = 17,372.55 × 6,923.62
  4. Step 4: Simplify right side
    12,588.76x = 120,280,934.63
  5. Step 5: Solve for x
    x = 120,280,934.63/12,588.76
  6. Step 6: Final answer
    x = 9,554.63

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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.