Home / 12,593.87-17,381.49-7,814.67

Finding the Fourth Proportional to 12,593.87, 17,381.49 and 7,814.67

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Solution

The fourth proportional to 12,593.87, 17,381.49 and 7,814.67 is: 10,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.87 : 17,381.49 = 7,814.67 : x
  2. Step 2: Convert to fraction form
    12,593.87/17,381.49 = 7,814.67/x
  3. Step 3: Cross multiply
    12,593.87x = 17,381.49 × 7,814.67
  4. Step 4: Simplify right side
    12,593.87x = 135,830,608.46
  5. Step 5: Solve for x
    x = 135,830,608.46/12,593.87
  6. Step 6: Final answer
    x = 10,785.45

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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.