Home / 12,127.36-16,735.21-6,750.08

Finding the Fourth Proportional to 12,127.36, 16,735.21 and 6,750.08

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Solution

The fourth proportional to 12,127.36, 16,735.21 and 6,750.08 is: 9,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.36 : 16,735.21 = 6,750.08 : x
  2. Step 2: Convert to fraction form
    12,127.36/16,735.21 = 6,750.08/x
  3. Step 3: Cross multiply
    12,127.36x = 16,735.21 × 6,750.08
  4. Step 4: Simplify right side
    12,127.36x = 112,963,888.89
  5. Step 5: Solve for x
    x = 112,963,888.89/12,127.36
  6. Step 6: Final answer
    x = 9,314.80

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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.