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Finding the Fourth Proportional to 9,486.52, 13,086.95 and 6,130.39

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Solution

The fourth proportional to 9,486.52, 13,086.95 and 6,130.39 is: 8,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.52 : 13,086.95 = 6,130.39 : x
  2. Step 2: Convert to fraction form
    9,486.52/13,086.95 = 6,130.39/x
  3. Step 3: Cross multiply
    9,486.52x = 13,086.95 × 6,130.39
  4. Step 4: Simplify right side
    9,486.52x = 80,228,011.32
  5. Step 5: Solve for x
    x = 80,228,011.32/9,486.52
  6. Step 6: Final answer
    x = 8,457.06

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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.