Home / 10,521.84-14,519.92-5,741.56

Finding the Fourth Proportional to 10,521.84, 14,519.92 and 5,741.56

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Solution

The fourth proportional to 10,521.84, 14,519.92 and 5,741.56 is: 7,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.84 : 14,519.92 = 5,741.56 : x
  2. Step 2: Convert to fraction form
    10,521.84/14,519.92 = 5,741.56/x
  3. Step 3: Cross multiply
    10,521.84x = 14,519.92 × 5,741.56
  4. Step 4: Simplify right side
    10,521.84x = 83,366,991.88
  5. Step 5: Solve for x
    x = 83,366,991.88/10,521.84
  6. Step 6: Final answer
    x = 7,923.23

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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.