Home / 10,343.53-15,513.43-4,423.74

Finding the Fourth Proportional to 10,343.53, 15,513.43 and 4,423.74

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Solution

The fourth proportional to 10,343.53, 15,513.43 and 4,423.74 is: 6,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.53 : 15,513.43 = 4,423.74 : x
  2. Step 2: Convert to fraction form
    10,343.53/15,513.43 = 4,423.74/x
  3. Step 3: Cross multiply
    10,343.53x = 15,513.43 × 4,423.74
  4. Step 4: Simplify right side
    10,343.53x = 68,627,450.78
  5. Step 5: Solve for x
    x = 68,627,450.78/10,343.53
  6. Step 6: Final answer
    x = 6,634.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.