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Finding the Fourth Proportional to 9,352.35, 12,807.95 and 9,229.32

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Solution

The fourth proportional to 9,352.35, 12,807.95 and 9,229.32 is: 12,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.35 : 12,807.95 = 9,229.32 : x
  2. Step 2: Convert to fraction form
    9,352.35/12,807.95 = 9,229.32/x
  3. Step 3: Cross multiply
    9,352.35x = 12,807.95 × 9,229.32
  4. Step 4: Simplify right side
    9,352.35x = 118,208,622.95
  5. Step 5: Solve for x
    x = 118,208,622.95/9,352.35
  6. Step 6: Final answer
    x = 12,639.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.