Home / 7,423.14-10,243.56-4,279.14

Finding the Fourth Proportional to 7,423.14, 10,243.56 and 4,279.14

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Solution

The fourth proportional to 7,423.14, 10,243.56 and 4,279.14 is: 5,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.14 : 10,243.56 = 4,279.14 : x
  2. Step 2: Convert to fraction form
    7,423.14/10,243.56 = 4,279.14/x
  3. Step 3: Cross multiply
    7,423.14x = 10,243.56 × 4,279.14
  4. Step 4: Simplify right side
    7,423.14x = 43,833,627.34
  5. Step 5: Solve for x
    x = 43,833,627.34/7,423.14
  6. Step 6: Final answer
    x = 5,905.00

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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.