Home / 8,061.99-11,122.70-5,269.11

Finding the Fourth Proportional to 8,061.99, 11,122.70 and 5,269.11

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Solution

The fourth proportional to 8,061.99, 11,122.70 and 5,269.11 is: 7,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.99 : 11,122.70 = 5,269.11 : x
  2. Step 2: Convert to fraction form
    8,061.99/11,122.70 = 5,269.11/x
  3. Step 3: Cross multiply
    8,061.99x = 11,122.70 × 5,269.11
  4. Step 4: Simplify right side
    8,061.99x = 58,606,703.45
  5. Step 5: Solve for x
    x = 58,606,703.45/8,061.99
  6. Step 6: Final answer
    x = 7,269.51

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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.