Home / 11,313.46-16,966.14-3,915.93

Finding the Fourth Proportional to 11,313.46, 16,966.14 and 3,915.93

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Solution

The fourth proportional to 11,313.46, 16,966.14 and 3,915.93 is: 5,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.46 : 16,966.14 = 3,915.93 : x
  2. Step 2: Convert to fraction form
    11,313.46/16,966.14 = 3,915.93/x
  3. Step 3: Cross multiply
    11,313.46x = 16,966.14 × 3,915.93
  4. Step 4: Simplify right side
    11,313.46x = 66,438,216.61
  5. Step 5: Solve for x
    x = 66,438,216.61/11,313.46
  6. Step 6: Final answer
    x = 5,872.49

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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.