Home / 7,456.50-11,178.95-3,941.91

Finding the Fourth Proportional to 7,456.50, 11,178.95 and 3,941.91

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Solution

The fourth proportional to 7,456.50, 11,178.95 and 3,941.91 is: 5,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.50 : 11,178.95 = 3,941.91 : x
  2. Step 2: Convert to fraction form
    7,456.50/11,178.95 = 3,941.91/x
  3. Step 3: Cross multiply
    7,456.50x = 11,178.95 × 3,941.91
  4. Step 4: Simplify right side
    7,456.50x = 44,066,395.08
  5. Step 5: Solve for x
    x = 44,066,395.08/7,456.50
  6. Step 6: Final answer
    x = 5,909.80

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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.