Home / 9,303.66-12,839.72-5,324.94

Finding the Fourth Proportional to 9,303.66, 12,839.72 and 5,324.94

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Solution

The fourth proportional to 9,303.66, 12,839.72 and 5,324.94 is: 7,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.66 : 12,839.72 = 5,324.94 : x
  2. Step 2: Convert to fraction form
    9,303.66/12,839.72 = 5,324.94/x
  3. Step 3: Cross multiply
    9,303.66x = 12,839.72 × 5,324.94
  4. Step 4: Simplify right side
    9,303.66x = 68,370,711.99
  5. Step 5: Solve for x
    x = 68,370,711.99/9,303.66
  6. Step 6: Final answer
    x = 7,348.80

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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.