Home / 11,762.39-16,232.19-6,457.70

Finding the Fourth Proportional to 11,762.39, 16,232.19 and 6,457.70

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Solution

The fourth proportional to 11,762.39, 16,232.19 and 6,457.70 is: 8,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.39 : 16,232.19 = 6,457.70 : x
  2. Step 2: Convert to fraction form
    11,762.39/16,232.19 = 6,457.70/x
  3. Step 3: Cross multiply
    11,762.39x = 16,232.19 × 6,457.70
  4. Step 4: Simplify right side
    11,762.39x = 104,822,613.36
  5. Step 5: Solve for x
    x = 104,822,613.36/11,762.39
  6. Step 6: Final answer
    x = 8,911.68

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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.