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Finding the Fourth Proportional to 9,114.94, 13,672.42 and 4,723.18

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Solution

The fourth proportional to 9,114.94, 13,672.42 and 4,723.18 is: 7,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.94 : 13,672.42 = 4,723.18 : x
  2. Step 2: Convert to fraction form
    9,114.94/13,672.42 = 4,723.18/x
  3. Step 3: Cross multiply
    9,114.94x = 13,672.42 × 4,723.18
  4. Step 4: Simplify right side
    9,114.94x = 64,577,254.71
  5. Step 5: Solve for x
    x = 64,577,254.71/9,114.94
  6. Step 6: Final answer
    x = 7,084.77

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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.