Home / 12,402.31-17,114.70-6,736.93

Finding the Fourth Proportional to 12,402.31, 17,114.70 and 6,736.93

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Solution

The fourth proportional to 12,402.31, 17,114.70 and 6,736.93 is: 9,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.31 : 17,114.70 = 6,736.93 : x
  2. Step 2: Convert to fraction form
    12,402.31/17,114.70 = 6,736.93/x
  3. Step 3: Cross multiply
    12,402.31x = 17,114.70 × 6,736.93
  4. Step 4: Simplify right side
    12,402.31x = 115,300,535.87
  5. Step 5: Solve for x
    x = 115,300,535.87/12,402.31
  6. Step 6: Final answer
    x = 9,296.70

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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.