Home / 10,266.40-14,167.62-5,550.68

Finding the Fourth Proportional to 10,266.40, 14,167.62 and 5,550.68

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Solution

The fourth proportional to 10,266.40, 14,167.62 and 5,550.68 is: 7,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.40 : 14,167.62 = 5,550.68 : x
  2. Step 2: Convert to fraction form
    10,266.40/14,167.62 = 5,550.68/x
  3. Step 3: Cross multiply
    10,266.40x = 14,167.62 × 5,550.68
  4. Step 4: Simplify right side
    10,266.40x = 78,639,924.98
  5. Step 5: Solve for x
    x = 78,639,924.98/10,266.40
  6. Step 6: Final answer
    x = 7,659.93

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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.