Home / 11,090.46-16,626.88-6,405.18

Finding the Fourth Proportional to 11,090.46, 16,626.88 and 6,405.18

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Solution

The fourth proportional to 11,090.46, 16,626.88 and 6,405.18 is: 9,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.46 : 16,626.88 = 6,405.18 : x
  2. Step 2: Convert to fraction form
    11,090.46/16,626.88 = 6,405.18/x
  3. Step 3: Cross multiply
    11,090.46x = 16,626.88 × 6,405.18
  4. Step 4: Simplify right side
    11,090.46x = 106,498,159.24
  5. Step 5: Solve for x
    x = 106,498,159.24/11,090.46
  6. Step 6: Final answer
    x = 9,602.68

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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.