Home / 11,725.93-17,572.51-8,423.56

Finding the Fourth Proportional to 11,725.93, 17,572.51 and 8,423.56

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Solution

The fourth proportional to 11,725.93, 17,572.51 and 8,423.56 is: 12,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.93 : 17,572.51 = 8,423.56 : x
  2. Step 2: Convert to fraction form
    11,725.93/17,572.51 = 8,423.56/x
  3. Step 3: Cross multiply
    11,725.93x = 17,572.51 × 8,423.56
  4. Step 4: Simplify right side
    11,725.93x = 148,023,092.34
  5. Step 5: Solve for x
    x = 148,023,092.34/11,725.93
  6. Step 6: Final answer
    x = 12,623.57

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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.