Home / 10,171.07-15,266.45-4,909.77

Finding the Fourth Proportional to 10,171.07, 15,266.45 and 4,909.77

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Solution

The fourth proportional to 10,171.07, 15,266.45 and 4,909.77 is: 7,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.07 : 15,266.45 = 4,909.77 : x
  2. Step 2: Convert to fraction form
    10,171.07/15,266.45 = 4,909.77/x
  3. Step 3: Cross multiply
    10,171.07x = 15,266.45 × 4,909.77
  4. Step 4: Simplify right side
    10,171.07x = 74,954,783.44
  5. Step 5: Solve for x
    x = 74,954,783.44/10,171.07
  6. Step 6: Final answer
    x = 7,369.41

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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.