Home / 12,708.67-19,056.52-7,445.37

Finding the Fourth Proportional to 12,708.67, 19,056.52 and 7,445.37

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Solution

The fourth proportional to 12,708.67, 19,056.52 and 7,445.37 is: 11,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.67 : 19,056.52 = 7,445.37 : x
  2. Step 2: Convert to fraction form
    12,708.67/19,056.52 = 7,445.37/x
  3. Step 3: Cross multiply
    12,708.67x = 19,056.52 × 7,445.37
  4. Step 4: Simplify right side
    12,708.67x = 141,882,774.01
  5. Step 5: Solve for x
    x = 141,882,774.01/12,708.67
  6. Step 6: Final answer
    x = 11,164.25

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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.