Home / 11,981.33-16,533.50-6,945.15

Finding the Fourth Proportional to 11,981.33, 16,533.50 and 6,945.15

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Solution

The fourth proportional to 11,981.33, 16,533.50 and 6,945.15 is: 9,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.33 : 16,533.50 = 6,945.15 : x
  2. Step 2: Convert to fraction form
    11,981.33/16,533.50 = 6,945.15/x
  3. Step 3: Cross multiply
    11,981.33x = 16,533.50 × 6,945.15
  4. Step 4: Simplify right side
    11,981.33x = 114,827,637.53
  5. Step 5: Solve for x
    x = 114,827,637.53/11,981.33
  6. Step 6: Final answer
    x = 9,583.88

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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.