Home / 7,622.42-10,495.58-6,672.90

Finding the Fourth Proportional to 7,622.42, 10,495.58 and 6,672.90

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Solution

The fourth proportional to 7,622.42, 10,495.58 and 6,672.90 is: 9,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.42 : 10,495.58 = 6,672.90 : x
  2. Step 2: Convert to fraction form
    7,622.42/10,495.58 = 6,672.90/x
  3. Step 3: Cross multiply
    7,622.42x = 10,495.58 × 6,672.90
  4. Step 4: Simplify right side
    7,622.42x = 70,035,921.81
  5. Step 5: Solve for x
    x = 70,035,921.81/7,622.42
  6. Step 6: Final answer
    x = 9,188.15

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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.