Home / 12,962.29-17,915.58-11,426.53

Finding the Fourth Proportional to 12,962.29, 17,915.58 and 11,426.53

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Solution

The fourth proportional to 12,962.29, 17,915.58 and 11,426.53 is: 15,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.29 : 17,915.58 = 11,426.53 : x
  2. Step 2: Convert to fraction form
    12,962.29/17,915.58 = 11,426.53/x
  3. Step 3: Cross multiply
    12,962.29x = 17,915.58 × 11,426.53
  4. Step 4: Simplify right side
    12,962.29x = 204,712,912.34
  5. Step 5: Solve for x
    x = 204,712,912.34/12,962.29
  6. Step 6: Final answer
    x = 15,792.96

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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.