Home / 7,423.96-10,243.26-4,111.96

Finding the Fourth Proportional to 7,423.96, 10,243.26 and 4,111.96

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Solution

The fourth proportional to 7,423.96, 10,243.26 and 4,111.96 is: 5,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.96 : 10,243.26 = 4,111.96 : x
  2. Step 2: Convert to fraction form
    7,423.96/10,243.26 = 4,111.96/x
  3. Step 3: Cross multiply
    7,423.96x = 10,243.26 × 4,111.96
  4. Step 4: Simplify right side
    7,423.96x = 42,119,875.39
  5. Step 5: Solve for x
    x = 42,119,875.39/7,423.96
  6. Step 6: Final answer
    x = 5,673.51

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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.