Home / 7,423.40-10,245.66-4,236.68

Finding the Fourth Proportional to 7,423.40, 10,245.66 and 4,236.68

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Solution

The fourth proportional to 7,423.40, 10,245.66 and 4,236.68 is: 5,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.40 : 10,245.66 = 4,236.68 : x
  2. Step 2: Convert to fraction form
    7,423.40/10,245.66 = 4,236.68/x
  3. Step 3: Cross multiply
    7,423.40x = 10,245.66 × 4,236.68
  4. Step 4: Simplify right side
    7,423.40x = 43,407,582.81
  5. Step 5: Solve for x
    x = 43,407,582.81/7,423.40
  6. Step 6: Final answer
    x = 5,847.40

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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.