Home / 10,342.84-14,273.03-5,627.12

Finding the Fourth Proportional to 10,342.84, 14,273.03 and 5,627.12

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Solution

The fourth proportional to 10,342.84, 14,273.03 and 5,627.12 is: 7,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.84 : 14,273.03 = 5,627.12 : x
  2. Step 2: Convert to fraction form
    10,342.84/14,273.03 = 5,627.12/x
  3. Step 3: Cross multiply
    10,342.84x = 14,273.03 × 5,627.12
  4. Step 4: Simplify right side
    10,342.84x = 80,316,043.91
  5. Step 5: Solve for x
    x = 80,316,043.91/10,342.84
  6. Step 6: Final answer
    x = 7,765.38

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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.