Home / 10,171.49-15,259.67-4,245.08

Finding the Fourth Proportional to 10,171.49, 15,259.67 and 4,245.08

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Solution

The fourth proportional to 10,171.49, 15,259.67 and 4,245.08 is: 6,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.49 : 15,259.67 = 4,245.08 : x
  2. Step 2: Convert to fraction form
    10,171.49/15,259.67 = 4,245.08/x
  3. Step 3: Cross multiply
    10,171.49x = 15,259.67 × 4,245.08
  4. Step 4: Simplify right side
    10,171.49x = 64,778,422.40
  5. Step 5: Solve for x
    x = 64,778,422.40/10,171.49
  6. Step 6: Final answer
    x = 6,368.63

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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.