Home / 15,600.09-23,400.14-5,211.84

Finding the Fourth Proportional to 15,600.09, 23,400.14 and 5,211.84

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Solution

The fourth proportional to 15,600.09, 23,400.14 and 5,211.84 is: 7,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.09 : 23,400.14 = 5,211.84 : x
  2. Step 2: Convert to fraction form
    15,600.09/23,400.14 = 5,211.84/x
  3. Step 3: Cross multiply
    15,600.09x = 23,400.14 × 5,211.84
  4. Step 4: Simplify right side
    15,600.09x = 121,957,876.67
  5. Step 5: Solve for x
    x = 121,957,876.67/15,600.09
  6. Step 6: Final answer
    x = 7,817.77

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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.