Home / 11,824.16-16,299.44-9,724.64

Finding the Fourth Proportional to 11,824.16, 16,299.44 and 9,724.64

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Solution

The fourth proportional to 11,824.16, 16,299.44 and 9,724.64 is: 13,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.16 : 16,299.44 = 9,724.64 : x
  2. Step 2: Convert to fraction form
    11,824.16/16,299.44 = 9,724.64/x
  3. Step 3: Cross multiply
    11,824.16x = 16,299.44 × 9,724.64
  4. Step 4: Simplify right side
    11,824.16x = 158,506,186.20
  5. Step 5: Solve for x
    x = 158,506,186.20/11,824.16
  6. Step 6: Final answer
    x = 13,405.28

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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.