Home / 12,552.19-17,321.44-6,886.81

Finding the Fourth Proportional to 12,552.19, 17,321.44 and 6,886.81

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Solution

The fourth proportional to 12,552.19, 17,321.44 and 6,886.81 is: 9,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.19 : 17,321.44 = 6,886.81 : x
  2. Step 2: Convert to fraction form
    12,552.19/17,321.44 = 6,886.81/x
  3. Step 3: Cross multiply
    12,552.19x = 17,321.44 × 6,886.81
  4. Step 4: Simplify right side
    12,552.19x = 119,289,466.21
  5. Step 5: Solve for x
    x = 119,289,466.21/12,552.19
  6. Step 6: Final answer
    x = 9,503.48

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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.