Home / 10,266.14-14,167.30-5,550.45

Finding the Fourth Proportional to 10,266.14, 14,167.30 and 5,550.45

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Solution

The fourth proportional to 10,266.14, 14,167.30 and 5,550.45 is: 7,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.14 : 14,167.30 = 5,550.45 : x
  2. Step 2: Convert to fraction form
    10,266.14/14,167.30 = 5,550.45/x
  3. Step 3: Cross multiply
    10,266.14x = 14,167.30 × 5,550.45
  4. Step 4: Simplify right side
    10,266.14x = 78,634,876.41
  5. Step 5: Solve for x
    x = 78,634,876.41/10,266.14
  6. Step 6: Final answer
    x = 7,659.64

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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.