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Finding the Fourth Proportional to 10,807.36, 14,915.36 and 6,334.89

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Solution

The fourth proportional to 10,807.36, 14,915.36 and 6,334.89 is: 8,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.36 : 14,915.36 = 6,334.89 : x
  2. Step 2: Convert to fraction form
    10,807.36/14,915.36 = 6,334.89/x
  3. Step 3: Cross multiply
    10,807.36x = 14,915.36 × 6,334.89
  4. Step 4: Simplify right side
    10,807.36x = 94,487,133.24
  5. Step 5: Solve for x
    x = 94,487,133.24/10,807.36
  6. Step 6: Final answer
    x = 8,742.85

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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.