Home / 12,127.29-16,735.91-7,095.36

Finding the Fourth Proportional to 12,127.29, 16,735.91 and 7,095.36

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Solution

The fourth proportional to 12,127.29, 16,735.91 and 7,095.36 is: 9,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.29 : 16,735.91 = 7,095.36 : x
  2. Step 2: Convert to fraction form
    12,127.29/16,735.91 = 7,095.36/x
  3. Step 3: Cross multiply
    12,127.29x = 16,735.91 × 7,095.36
  4. Step 4: Simplify right side
    12,127.29x = 118,747,270.90
  5. Step 5: Solve for x
    x = 118,747,270.90/12,127.29
  6. Step 6: Final answer
    x = 9,791.74

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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.