Home / 10,983.29-15,153.01-6,732.81

Finding the Fourth Proportional to 10,983.29, 15,153.01 and 6,732.81

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Solution

The fourth proportional to 10,983.29, 15,153.01 and 6,732.81 is: 9,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.29 : 15,153.01 = 6,732.81 : x
  2. Step 2: Convert to fraction form
    10,983.29/15,153.01 = 6,732.81/x
  3. Step 3: Cross multiply
    10,983.29x = 15,153.01 × 6,732.81
  4. Step 4: Simplify right side
    10,983.29x = 102,022,320.43
  5. Step 5: Solve for x
    x = 102,022,320.43/10,983.29
  6. Step 6: Final answer
    x = 9,288.87

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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.