Home / 7,423.06-10,243.29-4,065.34

Finding the Fourth Proportional to 7,423.06, 10,243.29 and 4,065.34

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Solution

The fourth proportional to 7,423.06, 10,243.29 and 4,065.34 is: 5,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.06 : 10,243.29 = 4,065.34 : x
  2. Step 2: Convert to fraction form
    7,423.06/10,243.29 = 4,065.34/x
  3. Step 3: Cross multiply
    7,423.06x = 10,243.29 × 4,065.34
  4. Step 4: Simplify right side
    7,423.06x = 41,642,405.35
  5. Step 5: Solve for x
    x = 41,642,405.35/7,423.06
  6. Step 6: Final answer
    x = 5,609.87

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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.