Home / 10,109.81-15,167.15-3,184.31

Finding the Fourth Proportional to 10,109.81, 15,167.15 and 3,184.31

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Solution

The fourth proportional to 10,109.81, 15,167.15 and 3,184.31 is: 4,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.81 : 15,167.15 = 3,184.31 : x
  2. Step 2: Convert to fraction form
    10,109.81/15,167.15 = 3,184.31/x
  3. Step 3: Cross multiply
    10,109.81x = 15,167.15 × 3,184.31
  4. Step 4: Simplify right side
    10,109.81x = 48,296,941.35
  5. Step 5: Solve for x
    x = 48,296,941.35/10,109.81
  6. Step 6: Final answer
    x = 4,777.23

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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.