Home / 10,022.40-15,013.44-5,633.28

Finding the Fourth Proportional to 10,022.40, 15,013.44 and 5,633.28

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Solution

The fourth proportional to 10,022.40, 15,013.44 and 5,633.28 is: 8,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.40 : 15,013.44 = 5,633.28 : x
  2. Step 2: Convert to fraction form
    10,022.40/15,013.44 = 5,633.28/x
  3. Step 3: Cross multiply
    10,022.40x = 15,013.44 × 5,633.28
  4. Step 4: Simplify right side
    10,022.40x = 84,574,911.28
  5. Step 5: Solve for x
    x = 84,574,911.28/10,022.40
  6. Step 6: Final answer
    x = 8,438.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.