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Finding the Fourth Proportional to 10,392.30, 14,337 and 6,615.27

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Solution

The fourth proportional to 10,392.30, 14,337 and 6,615.27 is: 9,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.30 : 14,337 = 6,615.27 : x
  2. Step 2: Convert to fraction form
    10,392.30/14,337 = 6,615.27/x
  3. Step 3: Cross multiply
    10,392.30x = 14,337 × 6,615.27
  4. Step 4: Simplify right side
    10,392.30x = 94,843,125.99
  5. Step 5: Solve for x
    x = 94,843,125.99/10,392.30
  6. Step 6: Final answer
    x = 9,126.29

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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.