Home / 12,552.05-17,321.09-6,886.10

Finding the Fourth Proportional to 12,552.05, 17,321.09 and 6,886.10

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Solution

The fourth proportional to 12,552.05, 17,321.09 and 6,886.10 is: 9,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.05 : 17,321.09 = 6,886.10 : x
  2. Step 2: Convert to fraction form
    12,552.05/17,321.09 = 6,886.10/x
  3. Step 3: Cross multiply
    12,552.05x = 17,321.09 × 6,886.10
  4. Step 4: Simplify right side
    12,552.05x = 119,274,636.81
  5. Step 5: Solve for x
    x = 119,274,636.81/12,552.05
  6. Step 6: Final answer
    x = 9,502.41

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Half scale
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Double scale
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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.