Home / 10,763.69-16,145.36-5,217.51

Finding the Fourth Proportional to 10,763.69, 16,145.36 and 5,217.51

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Solution

The fourth proportional to 10,763.69, 16,145.36 and 5,217.51 is: 7,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.69 : 16,145.36 = 5,217.51 : x
  2. Step 2: Convert to fraction form
    10,763.69/16,145.36 = 5,217.51/x
  3. Step 3: Cross multiply
    10,763.69x = 16,145.36 × 5,217.51
  4. Step 4: Simplify right side
    10,763.69x = 84,238,631.28
  5. Step 5: Solve for x
    x = 84,238,631.28/10,763.69
  6. Step 6: Final answer
    x = 7,826.19

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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.