Home / 10,941.85-16,412.66-7,423.15

Finding the Fourth Proportional to 10,941.85, 16,412.66 and 7,423.15

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Solution

The fourth proportional to 10,941.85, 16,412.66 and 7,423.15 is: 11,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.85 : 16,412.66 = 7,423.15 : x
  2. Step 2: Convert to fraction form
    10,941.85/16,412.66 = 7,423.15/x
  3. Step 3: Cross multiply
    10,941.85x = 16,412.66 × 7,423.15
  4. Step 4: Simplify right side
    10,941.85x = 121,833,637.08
  5. Step 5: Solve for x
    x = 121,833,637.08/10,941.85
  6. Step 6: Final answer
    x = 11,134.65

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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.