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Finding the Fourth Proportional to 11,248.74, 16,802.99 and 8,332.74

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Solution

The fourth proportional to 11,248.74, 16,802.99 and 8,332.74 is: 12,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.74 : 16,802.99 = 8,332.74 : x
  2. Step 2: Convert to fraction form
    11,248.74/16,802.99 = 8,332.74/x
  3. Step 3: Cross multiply
    11,248.74x = 16,802.99 × 8,332.74
  4. Step 4: Simplify right side
    11,248.74x = 140,014,905.23
  5. Step 5: Solve for x
    x = 140,014,905.23/11,248.74
  6. Step 6: Final answer
    x = 12,447.16

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Half scale
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Double scale
Find fourth proportional to 11,249.74, 16,804.48 and 8,333.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.