Home / 11,955.96-16,501.32-7,776.36

Finding the Fourth Proportional to 11,955.96, 16,501.32 and 7,776.36

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Solution

The fourth proportional to 11,955.96, 16,501.32 and 7,776.36 is: 10,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.96 : 16,501.32 = 7,776.36 : x
  2. Step 2: Convert to fraction form
    11,955.96/16,501.32 = 7,776.36/x
  3. Step 3: Cross multiply
    11,955.96x = 16,501.32 × 7,776.36
  4. Step 4: Simplify right side
    11,955.96x = 128,320,204.80
  5. Step 5: Solve for x
    x = 128,320,204.80/11,955.96
  6. Step 6: Final answer
    x = 10,732.74

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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.