Home / 9,766.64-13,474.34-6,411.32

Finding the Fourth Proportional to 9,766.64, 13,474.34 and 6,411.32

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Solution

The fourth proportional to 9,766.64, 13,474.34 and 6,411.32 is: 8,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.64 : 13,474.34 = 6,411.32 : x
  2. Step 2: Convert to fraction form
    9,766.64/13,474.34 = 6,411.32/x
  3. Step 3: Cross multiply
    9,766.64x = 13,474.34 × 6,411.32
  4. Step 4: Simplify right side
    9,766.64x = 86,388,206.10
  5. Step 5: Solve for x
    x = 86,388,206.10/9,766.64
  6. Step 6: Final answer
    x = 8,845.24

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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.