Home / 8,225.45-11,341.14-5,709.68

Finding the Fourth Proportional to 8,225.45, 11,341.14 and 5,709.68

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Solution

The fourth proportional to 8,225.45, 11,341.14 and 5,709.68 is: 7,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.45 : 11,341.14 = 5,709.68 : x
  2. Step 2: Convert to fraction form
    8,225.45/11,341.14 = 5,709.68/x
  3. Step 3: Cross multiply
    8,225.45x = 11,341.14 × 5,709.68
  4. Step 4: Simplify right side
    8,225.45x = 64,754,280.24
  5. Step 5: Solve for x
    x = 64,754,280.24/8,225.45
  6. Step 6: Final answer
    x = 7,872.43

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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.