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Finding the Fourth Proportional to 7,894.16, 10,893.08 and 4,356.69

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Solution

The fourth proportional to 7,894.16, 10,893.08 and 4,356.69 is: 6,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.16 : 10,893.08 = 4,356.69 : x
  2. Step 2: Convert to fraction form
    7,894.16/10,893.08 = 4,356.69/x
  3. Step 3: Cross multiply
    7,894.16x = 10,893.08 × 4,356.69
  4. Step 4: Simplify right side
    7,894.16x = 47,457,742.75
  5. Step 5: Solve for x
    x = 47,457,742.75/7,894.16
  6. Step 6: Final answer
    x = 6,011.75

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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.