Home / 12,842.48-19,244.78-5,824.64

Finding the Fourth Proportional to 12,842.48, 19,244.78 and 5,824.64

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Solution

The fourth proportional to 12,842.48, 19,244.78 and 5,824.64 is: 8,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.48 : 19,244.78 = 5,824.64 : x
  2. Step 2: Convert to fraction form
    12,842.48/19,244.78 = 5,824.64/x
  3. Step 3: Cross multiply
    12,842.48x = 19,244.78 × 5,824.64
  4. Step 4: Simplify right side
    12,842.48x = 112,093,886.26
  5. Step 5: Solve for x
    x = 112,093,886.26/12,842.48
  6. Step 6: Final answer
    x = 8,728.37

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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.