Home / 15,742.50-23,610.87-5,212.14

Finding the Fourth Proportional to 15,742.50, 23,610.87 and 5,212.14

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Solution

The fourth proportional to 15,742.50, 23,610.87 and 5,212.14 is: 7,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.50 : 23,610.87 = 5,212.14 : x
  2. Step 2: Convert to fraction form
    15,742.50/23,610.87 = 5,212.14/x
  3. Step 3: Cross multiply
    15,742.50x = 23,610.87 × 5,212.14
  4. Step 4: Simplify right side
    15,742.50x = 123,063,159.96
  5. Step 5: Solve for x
    x = 123,063,159.96/15,742.50
  6. Step 6: Final answer
    x = 7,817.26

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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.