Home / 10,171.08-15,266.46-4,909.80

Finding the Fourth Proportional to 10,171.08, 15,266.46 and 4,909.80

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Solution

The fourth proportional to 10,171.08, 15,266.46 and 4,909.80 is: 7,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.08 : 15,266.46 = 4,909.80 : x
  2. Step 2: Convert to fraction form
    10,171.08/15,266.46 = 4,909.80/x
  3. Step 3: Cross multiply
    10,171.08x = 15,266.46 × 4,909.80
  4. Step 4: Simplify right side
    10,171.08x = 74,955,265.31
  5. Step 5: Solve for x
    x = 74,955,265.31/10,171.08
  6. Step 6: Final answer
    x = 7,369.45

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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.