Home / 7,423.35-11,137.07-6,607.32

Finding the Fourth Proportional to 7,423.35, 11,137.07 and 6,607.32

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Solution

The fourth proportional to 7,423.35, 11,137.07 and 6,607.32 is: 9,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.35 : 11,137.07 = 6,607.32 : x
  2. Step 2: Convert to fraction form
    7,423.35/11,137.07 = 6,607.32/x
  3. Step 3: Cross multiply
    7,423.35x = 11,137.07 × 6,607.32
  4. Step 4: Simplify right side
    7,423.35x = 73,586,204.17
  5. Step 5: Solve for x
    x = 73,586,204.17/7,423.35
  6. Step 6: Final answer
    x = 9,912.81

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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.