Home / 10,022.70-13,826.45-6,621.04

Finding the Fourth Proportional to 10,022.70, 13,826.45 and 6,621.04

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Solution

The fourth proportional to 10,022.70, 13,826.45 and 6,621.04 is: 9,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.70 : 13,826.45 = 6,621.04 : x
  2. Step 2: Convert to fraction form
    10,022.70/13,826.45 = 6,621.04/x
  3. Step 3: Cross multiply
    10,022.70x = 13,826.45 × 6,621.04
  4. Step 4: Simplify right side
    10,022.70x = 91,545,427.39
  5. Step 5: Solve for x
    x = 91,545,427.39/10,022.70
  6. Step 6: Final answer
    x = 9,133.81

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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.