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Finding the Fourth Proportional to 10,713.01, 14,784.08 and 6,464.29

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Solution

The fourth proportional to 10,713.01, 14,784.08 and 6,464.29 is: 8,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.01 : 14,784.08 = 6,464.29 : x
  2. Step 2: Convert to fraction form
    10,713.01/14,784.08 = 6,464.29/x
  3. Step 3: Cross multiply
    10,713.01x = 14,784.08 × 6,464.29
  4. Step 4: Simplify right side
    10,713.01x = 95,568,580.50
  5. Step 5: Solve for x
    x = 95,568,580.50/10,713.01
  6. Step 6: Final answer
    x = 8,920.80

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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.