Home / 7,668.75-10,582.88-4,311.53

Finding the Fourth Proportional to 7,668.75, 10,582.88 and 4,311.53

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Solution

The fourth proportional to 7,668.75, 10,582.88 and 4,311.53 is: 5,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.75 : 10,582.88 = 4,311.53 : x
  2. Step 2: Convert to fraction form
    7,668.75/10,582.88 = 4,311.53/x
  3. Step 3: Cross multiply
    7,668.75x = 10,582.88 × 4,311.53
  4. Step 4: Simplify right side
    7,668.75x = 45,628,330.13
  5. Step 5: Solve for x
    x = 45,628,330.13/7,668.75
  6. Step 6: Final answer
    x = 5,949.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.