Home / 10,011.56-14,996.81-5,619.80

Finding the Fourth Proportional to 10,011.56, 14,996.81 and 5,619.80

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Solution

The fourth proportional to 10,011.56, 14,996.81 and 5,619.80 is: 8,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.56 : 14,996.81 = 5,619.80 : x
  2. Step 2: Convert to fraction form
    10,011.56/14,996.81 = 5,619.80/x
  3. Step 3: Cross multiply
    10,011.56x = 14,996.81 × 5,619.80
  4. Step 4: Simplify right side
    10,011.56x = 84,278,969.75
  5. Step 5: Solve for x
    x = 84,278,969.75/10,011.56
  6. Step 6: Final answer
    x = 8,418.17

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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.