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Finding the Fourth Proportional to 9,267.70, 12,798.93 and 7,150.90

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Solution

The fourth proportional to 9,267.70, 12,798.93 and 7,150.90 is: 9,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.70 : 12,798.93 = 7,150.90 : x
  2. Step 2: Convert to fraction form
    9,267.70/12,798.93 = 7,150.90/x
  3. Step 3: Cross multiply
    9,267.70x = 12,798.93 × 7,150.90
  4. Step 4: Simplify right side
    9,267.70x = 91,523,868.54
  5. Step 5: Solve for x
    x = 91,523,868.54/9,267.70
  6. Step 6: Final answer
    x = 9,875.58

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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.