Home / 12,057.36-16,635.96-7,341.36

Finding the Fourth Proportional to 12,057.36, 16,635.96 and 7,341.36

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Solution

The fourth proportional to 12,057.36, 16,635.96 and 7,341.36 is: 10,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.36 : 16,635.96 = 7,341.36 : x
  2. Step 2: Convert to fraction form
    12,057.36/16,635.96 = 7,341.36/x
  3. Step 3: Cross multiply
    12,057.36x = 16,635.96 × 7,341.36
  4. Step 4: Simplify right side
    12,057.36x = 122,130,571.31
  5. Step 5: Solve for x
    x = 122,130,571.31/12,057.36
  6. Step 6: Final answer
    x = 10,129.13

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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.