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Finding the Fourth Proportional to 9,734.77, 13,391.47 and 8,534.35

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Solution

The fourth proportional to 9,734.77, 13,391.47 and 8,534.35 is: 11,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,734.77 : 13,391.47 = 8,534.35 : x
  2. Step 2: Convert to fraction form
    9,734.77/13,391.47 = 8,534.35/x
  3. Step 3: Cross multiply
    9,734.77x = 13,391.47 × 8,534.35
  4. Step 4: Simplify right side
    9,734.77x = 114,287,491.99
  5. Step 5: Solve for x
    x = 114,287,491.99/9,734.77
  6. Step 6: Final answer
    x = 11,740.13

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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.