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Finding the Fourth Proportional to 10,810.40, 16,196.40 and 9,274.40

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Solution

The fourth proportional to 10,810.40, 16,196.40 and 9,274.40 is: 13,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.40 : 16,196.40 = 9,274.40 : x
  2. Step 2: Convert to fraction form
    10,810.40/16,196.40 = 9,274.40/x
  3. Step 3: Cross multiply
    10,810.40x = 16,196.40 × 9,274.40
  4. Step 4: Simplify right side
    10,810.40x = 150,211,892.16
  5. Step 5: Solve for x
    x = 150,211,892.16/10,810.40
  6. Step 6: Final answer
    x = 13,895.13

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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.