Home / 12,349.84-17,028.04-8,570.12

Finding the Fourth Proportional to 12,349.84, 17,028.04 and 8,570.12

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Solution

The fourth proportional to 12,349.84, 17,028.04 and 8,570.12 is: 11,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.84 : 17,028.04 = 8,570.12 : x
  2. Step 2: Convert to fraction form
    12,349.84/17,028.04 = 8,570.12/x
  3. Step 3: Cross multiply
    12,349.84x = 17,028.04 × 8,570.12
  4. Step 4: Simplify right side
    12,349.84x = 145,932,346.16
  5. Step 5: Solve for x
    x = 145,932,346.16/12,349.84
  6. Step 6: Final answer
    x = 11,816.54

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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.