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Finding the Fourth Proportional to 10,951.12, 16,407.24 and 9,483.40

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Solution

The fourth proportional to 10,951.12, 16,407.24 and 9,483.40 is: 14,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.12 : 16,407.24 = 9,483.40 : x
  2. Step 2: Convert to fraction form
    10,951.12/16,407.24 = 9,483.40/x
  3. Step 3: Cross multiply
    10,951.12x = 16,407.24 × 9,483.40
  4. Step 4: Simplify right side
    10,951.12x = 155,596,419.82
  5. Step 5: Solve for x
    x = 155,596,419.82/10,951.12
  6. Step 6: Final answer
    x = 14,208.27

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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.