Home / 12,741.21-17,582.29-7,076.32

Finding the Fourth Proportional to 12,741.21, 17,582.29 and 7,076.32

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Solution

The fourth proportional to 12,741.21, 17,582.29 and 7,076.32 is: 9,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.21 : 17,582.29 = 7,076.32 : x
  2. Step 2: Convert to fraction form
    12,741.21/17,582.29 = 7,076.32/x
  3. Step 3: Cross multiply
    12,741.21x = 17,582.29 × 7,076.32
  4. Step 4: Simplify right side
    12,741.21x = 124,417,874.99
  5. Step 5: Solve for x
    x = 124,417,874.99/12,741.21
  6. Step 6: Final answer
    x = 9,765.00

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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.