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Finding the Fourth Proportional to 10,904.16, 16,352.16 and 4,328.58

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Solution

The fourth proportional to 10,904.16, 16,352.16 and 4,328.58 is: 6,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.16 : 16,352.16 = 4,328.58 : x
  2. Step 2: Convert to fraction form
    10,904.16/16,352.16 = 4,328.58/x
  3. Step 3: Cross multiply
    10,904.16x = 16,352.16 × 4,328.58
  4. Step 4: Simplify right side
    10,904.16x = 70,781,632.73
  5. Step 5: Solve for x
    x = 70,781,632.73/10,904.16
  6. Step 6: Final answer
    x = 6,491.25

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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.