Home / 10,011.66-13,816.13-5,474.43

Finding the Fourth Proportional to 10,011.66, 13,816.13 and 5,474.43

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Solution

The fourth proportional to 10,011.66, 13,816.13 and 5,474.43 is: 7,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.66 : 13,816.13 = 5,474.43 : x
  2. Step 2: Convert to fraction form
    10,011.66/13,816.13 = 5,474.43/x
  3. Step 3: Cross multiply
    10,011.66x = 13,816.13 × 5,474.43
  4. Step 4: Simplify right side
    10,011.66x = 75,635,409.18
  5. Step 5: Solve for x
    x = 75,635,409.18/10,011.66
  6. Step 6: Final answer
    x = 7,554.74

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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.