Home / 12,549.64-17,318.90-7,244.36

Finding the Fourth Proportional to 12,549.64, 17,318.90 and 7,244.36

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Solution

The fourth proportional to 12,549.64, 17,318.90 and 7,244.36 is: 9,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.64 : 17,318.90 = 7,244.36 : x
  2. Step 2: Convert to fraction form
    12,549.64/17,318.90 = 7,244.36/x
  3. Step 3: Cross multiply
    12,549.64x = 17,318.90 × 7,244.36
  4. Step 4: Simplify right side
    12,549.64x = 125,464,346.40
  5. Step 5: Solve for x
    x = 125,464,346.40/12,549.64
  6. Step 6: Final answer
    x = 9,997.45

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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.