Home / 9,325.20-12,868.38-5,343.57

Finding the Fourth Proportional to 9,325.20, 12,868.38 and 5,343.57

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Solution

The fourth proportional to 9,325.20, 12,868.38 and 5,343.57 is: 7,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.20 : 12,868.38 = 5,343.57 : x
  2. Step 2: Convert to fraction form
    9,325.20/12,868.38 = 5,343.57/x
  3. Step 3: Cross multiply
    9,325.20x = 12,868.38 × 5,343.57
  4. Step 4: Simplify right side
    9,325.20x = 68,763,089.32
  5. Step 5: Solve for x
    x = 68,763,089.32/9,325.20
  6. Step 6: Final answer
    x = 7,373.90

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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.