Home / 12,113.09-16,714.03-6,735.38

Finding the Fourth Proportional to 12,113.09, 16,714.03 and 6,735.38

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Solution

The fourth proportional to 12,113.09, 16,714.03 and 6,735.38 is: 9,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.09 : 16,714.03 = 6,735.38 : x
  2. Step 2: Convert to fraction form
    12,113.09/16,714.03 = 6,735.38/x
  3. Step 3: Cross multiply
    12,113.09x = 16,714.03 × 6,735.38
  4. Step 4: Simplify right side
    12,113.09x = 112,575,259.81
  5. Step 5: Solve for x
    x = 112,575,259.81/12,113.09
  6. Step 6: Final answer
    x = 9,293.69

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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.