Home / 7,389.12-10,197.14-4,405.52

Finding the Fourth Proportional to 7,389.12, 10,197.14 and 4,405.52

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Solution

The fourth proportional to 7,389.12, 10,197.14 and 4,405.52 is: 6,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.12 : 10,197.14 = 4,405.52 : x
  2. Step 2: Convert to fraction form
    7,389.12/10,197.14 = 4,405.52/x
  3. Step 3: Cross multiply
    7,389.12x = 10,197.14 × 4,405.52
  4. Step 4: Simplify right side
    7,389.12x = 44,923,704.21
  5. Step 5: Solve for x
    x = 44,923,704.21/7,389.12
  6. Step 6: Final answer
    x = 6,079.71

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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.